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Determination of a material or structure's resiliency against cyclic loading
Fatigue testing is a specialised form of mechanical testing that is performed by applying cyclic loading to a coupon or structure. These tests are used
Fatigue_testing
Initiation and propagation of cracks in a material due to cyclic loading
seem to experience some sort of fatigue-related failure. To aid in predicting the fatigue life of a component, fatigue tests are carried out using coupons
Fatigue_(material)
Class of tests going beyond standard operation conditions
Stress testing is a form of deliberately intense or thorough testing, used to determine the stability of a given system, critical infrastructure or entity
Stress_testing
Maximum stress that will not cause fatigue failure
material properties in fatigue resistance. Gassner’s Variable Amplitude Fatigue Tests (1939): Revolutionized fatigue testing by replicating real-world
Fatigue_limit
Principle of materials science
application frequency. It is usually performed using a standard fatigue testing machine where the test specimen is prepared in a specifically defined manner and
Basquin's_law
American close air support attack aircraft
reinforcement was quickly adopted when initial fatigue testing failed at 80% of testing; the A-10 passed fatigue tests with the fix. 8,000-flight-hour service
Fairchild Republic A-10 Thunderbolt II
Fairchild_Republic_A-10_Thunderbolt_II
Chronic medical condition
encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a disabling chronic illness. People with ME/CFS experience profound fatigue that does not go away with
Myalgic encephalomyelitis/chronic fatigue syndrome
Myalgic_encephalomyelitis/chronic_fatigue_syndrome
Deformation mechanism
rolling contact fatigue (RCF) Rig is a specialised testing apparatus used in the field of tribology and materials science to evaluate the fatigue resistance
Rolling_contact_fatigue
Czech light military aircraft
also been performed. On 25 May 2020, the L-39 Skyfox commenced static fatigue testing, one reported aim of which is to validate the new airframe's operating
Aero_L-39_Skyfox
State of tiredness, exhaustion or loss of energy
Fatigue is a state of being without energy for a prolonged period of time. The word fatigue is used in two contexts: in the medical sense, and in the
Fatigue
Type of material degradation
Low cycle fatigue (LCF) has two fundamental characteristics: plastic deformation in each cycle; and low cycle phenomenon, in which the materials have
Low-cycle_fatigue
Russian research institute
aerodynamics, avionics testing, full-scale fatigue testing, thermal strength testing, fatigue and loading spectra, and dynamic strength testing. Researchers at
Siberian Aviation Research Institute
Siberian_Aviation_Research_Institute
Type of equipment for determining tensile or compressive strength of a material
testing machine (UTM), also known as a universal tester, universal tensile machine, materials testing machine, materials test frame, is used to test the
Universal_testing_machine
Carrier-based anti-submarine and aerial refueling aircraft
contract for Lockheed Martin to perform a full-scale Fatigue testing of the existing S-3s; these tests, which commenced in June 2001, were aimed at extending
Lockheed_S-3_Viking
Degradation of solder due to deformation under cyclic loading
exponential law of endurance test". Proceedings of the American Society for Testing and Materials. 10: 625–630. Engelmaier, W., "Fatigue Life of Leadless Chip
Solder_fatigue
Application of forces to an item to determine its properties
specimen tests Strain-controlled smooth specimen tests Fatigue crack growth testing Non-Destructive Testing Siri, Saeed; Maier, Franz; Chen, Longtu; Santos,
Mechanical_testing
Condition characterized by emotional and physical exhaustion
Compassion fatigue is an evolving concept in the field of traumatology. The term has been used interchangeably with secondary traumatic stress (STS),
Compassion_fatigue
Process of testing a product
Accelerated life testing is the process of testing a product by subjecting it to conditions (stress, strain, temperatures, voltage, vibration rate, pressure
Accelerated_life_testing
Twin-engine Russian jet airliner
to the Central Aerohydrodynamic Institute at Moscow-Zhukovsky for fatigue testing: repetitive loads will simulate 180,000 cycles. By then, the third
Yakovlev_MC-21
Fatigue in a corrosive environment
Corrosion fatigue is fatigue in a corrosive environment. It is the mechanical degradation of a material under the joint action of corrosion and cyclic
Corrosion_fatigue
Externally-produced indentation in a planar material
tensile and fatigue tests. The type of notch introduced to a specimen depends on the material and characterization employed. For standardized testing of fracture
Notch_(engineering)
Alternative diagnosis of adrenal gland exhaustion
concept of adrenal fatigue, and it is not a valid diagnosis recognized by the scientific or medical communities. Blood or salivary testing is sometimes offered
Adrenal_fatigue
Materials science algorithm
cycles can be obtained for a repeated load sequence such as used in fatigue testing by starting at the largest peak and continue to the end and wrapping
Rainflow-counting_algorithm
German analysis and test engineering company
and nondestructive testing. Important projects are the structural fatigue test on the Airbus A380 (finished 2012), the fatigue test on the overall structure
IABG
Structural engineering concept
appropriate features. This process may involve induced-damage testing, fatigue testing, corrosion growth, or temperature cycling to accumulate certain
Structural_health_monitoring
Lines in a material caused by fatigue
produced on the fracture surface that show the incremental growth of a fatigue crack. A striation marks the position of the crack tip at the time it was
Striation_(fatigue)
Family of transport aircraft by CASA and IPTN
support of this effort, static and fatigue testing was conducted by the Serpong Laboratory for Structural Testing. By September 1984, orders for several
CASA/IPTN_CN-235
use of the test stand is for compliance testing of predetermined desired values and fatigue testing. A sophisticated mechanical component test stand houses
Mechanical_device_test_stands
destructive testing are micro-sectioning, stress and fatigue tests. A form of fatigue testing for carbon fiber components is very high cycle fatigue (VHCF)
Carbon_fiber_testing
Calculation for the size of a fatigue crack
equation is used for calculating the size of a fatigue crack growing from cyclic loads. The growth of a fatigue crack can result in catastrophic failure, particularly
Crack_growth_equation
Standard specimen in fracture mechanics
the area of fracture mechanics and corrosion testing, in order to establish fracture toughness and fatigue crack growth data for a material. The purpose
Compact_tension_specimen
Psychological consequence of overuse of alarms
Alarm fatigue or alert fatigue describes how busy workers (in the case of health care, clinicians) become desensitized to safety alerts, and as a result
Alarm_fatigue
Family of strike aircraft developed in 1960s
issued for the program, including flight testing, spares, ground equipment, training devices, static and fatigue test data, and the production of an initial
General Dynamics F-111 Aardvark
General_Dynamics_F-111_Aardvark
Chinese four-engined jet airliner prototype
(01) was used for static testing, the second prototype (02) was used for flight testing and the third (03) for fatigue testing. The plane first flew on
Shanghai_Y-10
Type of structure
elevator test tower is a structure usually 100 to over 200 metres (300 feet to over 600 feet) tall that is designed to evaluate the stress and fatigue limits
Elevator_test_tower
Automotive research center
provided at ICAT: Active & passive safety testing Component evaluation testing Fatigue testing Material testing EMI / EMC laboratory Noise Vibration Harshness
International Centre for Automotive Technology
International_Centre_for_Automotive_Technology
American heavy military transport aircraft
which is similar in design and function to the C-5. During static and fatigue testing, cracks were noticed in the wings of several aircraft, and as a consequence
Lockheed_C-5_Galaxy
Abnormal fatigue of unknown origin that persists for at least 6 months
Idiopathic chronic fatigue (ICF) or chronic idiopathic fatigue or insufficient/idiopathic fatigue is a term used for cases of unexplained fatigue that have lasted
Idiopathic_chronic_fatigue
Ways that gears can fail
Failure can occur by both fracture and fatigue. Failure can happen by many different mechanisms, so gear testing procedures are designed to isolate the
Gear_failure
Maximum weight that can be lifted at once
Whitehead, James R.; Binkert, Ronald H. (November 1998). "The 225–1b Reps-to-Fatigue Test as a Submaximal Estimate of 1-RM Bench Press Performance in College Football
One-repetition_maximum
British four-jet high-altitude bomber
in the rear spar; the aircraft was subsequently broken up for wing fatigue testing after it had flown 489 hours. After years of front-line service, in
Vickers_Valiant
American aerospace company
mill equipment. For the material test markets, Moog supplies controls for automotive, structural and fatigue testing. The company's hydraulic and electromechanical
Moog_Inc.
This type of testing is destructive. In this kind of testing, the material undergoes mechanical testing and is discarded thereafter. Test results are compared
Metal_testing
Engineering, architectural, and materials-science firm based in the USA
engineering, architecture, and materials science firm that provides engineering, testing and scientific services in the following markets: Building & Facilities;
CTLGroup
are found by comparing fatigue tests done in air and in an environment with no oxygen (vacuum or argon). Under these testing conditions, it has been
Thermo-mechanical_fatigue
Multipurpose amphibious aircraft
development, design and documentation; systems-, static-, flight- and fatigue-testing of prototypes; certification and support of the production models.
Beriev_Be-200
American aircraft manufacturer based in Cedar City, Utah
additional engineering offices and manufacturing, service, repair and fatigue test facilities near and on the San Antonio International Airport in San Antonio
SyberJet_Aircraft
original application for string pots in the 1960s was aerospace cyclic fatigue testing.[citation needed] Engineers designed and built these units originally
String_potentiometer
Electronic component used to measure strain
especially with impacts, high-strain, high-temperature or high-cycle fatigue testing. In 1995 Prof. Dr.-Ing. Stefan Keil published the first edition of
Strain_gauge
Very small devices that incorporate moving components
Hosseinian E, Pierron ON (2013). "Quantitative in situ TEM tensile fatigue testing on nanocrystalline metallic ultrathin films". Nanoscale. 5 (24): 12532–41
MEMS
ASTM also governs on precision of testing, and avoiding bias in the results. ASTM D3166 specifies fatigue testing methods for metal to metal adhesive
Testing of advanced thermoplastic composite welds
Testing_of_advanced_thermoplastic_composite_welds
European attack helicopter
weapon containers. First flight on 29 April 1991. Relegated to ground fatigue testing and static display in early 1996 on completion of flight programme
Eurocopter_Tiger
Common viral infectious disease
throat, enlarged lymph nodes in the neck, and fatigue. Most people recover in two to four weeks; however, fatigue may last months. The liver or spleen may
Infectious_mononucleosis
Phenomenon in response to auditory stimulus
Listener fatigue (also known as listening fatigue or ear fatigue) is a phenomenon that occurs after prolonged exposure to an auditory stimulus. Symptoms
Listener_fatigue
Vibration fatigue is a mechanical engineering term describing material fatigue, caused by forced vibration of random nature. An excited structure responds
Vibration_fatigue
Method of measuring the amount of energy absorbed by a material during fracture
found that metal could fail under repeated cyclic loading, i.e. fatigue, and that fatigue failure occurred when a fracture propagated across the material
Charpy_impact_test
American architecture firm
evaluation and testing Product development, evaluation, and testing Research Structural load and fatigue testing Building enclosure testing Condition evaluation
Wiss, Janney, Elstner Associates, Inc.
Wiss,_Janney,_Elstner_Associates,_Inc.
Medical test for post-exertional malaise
cardiopulmonary exercise test results do not change between testing days, as initially thought, for patients with chronic fatigue syndrome.[13] The researchers
2-day_CPET
materials — Torque-controlled fatigue testing ISO/R 1353 Metallic materials — Hardness test — Rockwell superficial test (scales 15N, 30N, 45N, 15T, 30T
List_of_ISO_standards_1–1999
Type of resistor whose resistance varies with temperature
OCLC 1196195913.{{cite book}}: CS1 maint: location missing publisher (link) Fatigue testing and analysis : theory and practice. Yung-Li Lee. Burlington, Mass.:
Thermistor
Sudden transient acceleration
Shock testing typically falls into two categories, classical shock testing and pyroshock or ballistic shock testing. Classical shock testing consists
Shock_(mechanics)
Single engine turboprop airplane by Textron Aviation, 2021
2017, after testing with a fuel system ground testing rig and the propeller, Textron announced it had started building static and fatigue test articles,
Beechcraft_Denali
Aerospace research company in India
is equipped with the Nilakantan Wind tunnel Centre and a computerized fatigue test facility company. NAL also has facilities for investigating failures
National Aerospace Laboratories
National_Aerospace_Laboratories
Worsening of symptoms with activity
exertion. It is the hallmark symptom of myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) and common in other infection-associated chronic conditions
Post-exertional_malaise
Material made from a combination of two or more unlike substances
Ariel F; Murdy, Paul; Gionet-Gonzales, Julia A (2024). "Submerged Fatigue Testing of Marine Energy Advanced Materials". doi:10.13140/RG.2.2.34441.25445
Composite_material
In marketing, ad fatigue is the declining effectiveness of similar advertising to consumers due to fatigue leading to poor engagement. This wear out may
Ad_fatigue
Australian health advocate, businessman and researcher
researcher. He had a varied career that ranged from fighter aircraft fatigue testing at the Commonwealth Aircraft Corporation (CAC), and scientific research
John_Hans_Stroh
Behavioral disorder due to war trauma
as a direct result of the trauma of war. Also known as "combat fatigue", "battle fatigue", "operational exhaustion", or "battle/war neurosis", it has some
Combat_stress_reaction
Rotating circular machine part with teeth that mesh with another toothed part
ISBN 978-1-62708-176-4. Halgren, John A.; Wulpi, D. J. (1957). "Laboratory Fatigue Testing of Gears". SAE Transactions. 65: 452–470. ISSN 0096-736X. JSTOR 44564381
Gear
An Electrochemical Fatigue Crack Sensor (EFCS) is a type of low cost electrochemical nondestructive dynamic testing method used primarily in the aerospace
Electrochemical fatigue crack sensor
Electrochemical_fatigue_crack_sensor
Widespread fatigue damage (WFD) in a structure is characterised by the simultaneous presence of fatigue cracks at multiple points that are of sufficient
Widespread_fatigue_damage
British turbofan engine, developed from earlier Trent series engines
August 2007 and entered service on 26 October 2011. Corrosion-related fatigue cracking of intermediate pressure (IP) turbine blades was discovered in
Rolls-Royce_Trent_1000
Type of analysis technique
medical ultrasonography, and digital radiography. Non-Destructive Testing (NDT/ NDT testing) Techniques or Methodologies allow the investigator to carry out
Nondestructive_testing
Associated with concentration changes in synaptic neurotransmitters in the CNS
Central nervous system fatigue, or central fatigue, is a form of fatigue that is associated with changes in the synaptic concentration of neurotransmitters
Central nervous system fatigue
Central_nervous_system_fatigue
Czech aerospace company
(2021-03-25). "Fatigue testing confirms longer lifespan of the latest L-39 aircraft | Aerospace Testing International". Aerospace Testing International
VZLU_Aerospace
Czech general utility aircraft
chosen. The second (partial) prototype was used for static tests and the fourth, for fatigue tests. The third prototype (OK-SAR) first flew in 2002. The fifth
Aero_Ae_270_Spirit
Regional airliner by Fokker
the test flight programme and were paid for by the Netherlands Institute of Aircraft Development; the other two prototypes were for static and fatigue testing
Fokker_F27_Friendship
Technology to convert the energy from tides into useful forms of power
Ariel F; Murdy, Paul; Gionet-Gonzales, Julia A (2024). "Submerged Fatigue Testing of Marine Energy Advanced Materials". doi:10.13140/RG.2.2.34441.25445
Tidal_power
Initially normal, then declining ability of a muscle to generate force
Muscle fatigue is when muscles that were initially generating a normal amount of force, then experience a declining ability to generate force. It can
Muscle_fatigue
Indian Multi-role helicopter
aluminum-alloy raw material was sent to Indian Institute of Science (IISc) for fatigue testing, with results due by April-end for inclusion in the DIC report expected
HAL_Dhruv
processes implementing residual stresses, changing the fatigue life and can render S-N laboratory testing results. Welded assemblies, with geometrical imperfections
Fatigue_of_welded_joints
French twin-jet narrow-body airliner produced 1958–1972
of a pair of prototypes along with a pair of static airframes for fatigue testing. SNCASE's design licensed several fuselage features from British aircraft
Sud_Aviation_Caravelle
Focusing the eyes on a display device for a protracted period of time
object. Some symptoms of CVS include headaches, blurred vision, neck pain, fatigue, eye strain, dry eyes, irritated eyes, double vision, vertigo/dizziness
Computer_vision_syndrome
Case definitions of the illness
Clinical descriptions of ME/CFS (myalgic encephalomyelitis/chronic fatigue syndrome) vary. Different groups have produced sets of diagnostic criteria
Clinical descriptions of ME/CFS
Clinical_descriptions_of_ME/CFS
Chain used for drawing or securing loads
intended for hoisting duty. ASME B29.26 provides uniform procedures for fatigue testing on chains. In summary; transport chains are high strength chains used
High-tensile_chain
Swedish mathematician (1887–1979)
Generalstabens Litografiska Anstalts Förlag: 1–45. W. Weibull (1961). Fatigue Testing and Analysis of Results. Pergamon Press. ISBN 1483154165. {{cite book}}:
Waloddi_Weibull
Non-destructive material testing using ultrasonic waves
Ultrasonic testing (UT) is a family of non-destructive testing techniques based on the propagation of ultrasonic waves in the object or material tested. In most
Ultrasonic_testing
Next generation of the Boeing 777
initial -9, a static test airframe, were underway in the purpose-built wing center near Everett, Washington. Four -9s, a fatigue-test airframe, and two -8s
Boeing_777X
Standard procedure for measuring modulus of elasticity in bending
stress–strain response of the material. This test is performed on a universal testing machine (tensile testing machine or tensile tester) with a three-point
Three-point_flexural_test
Military unit
and dynamic structural load application for structural and fatigue testing. Propulsion Test Laboratory Physical and Rapid Prototyping Laboratory Advanced
U.S. Army DEVCOM Ground Vehicle Systems Center
U.S._Army_DEVCOM_Ground_Vehicle_Systems_Center
Type of motion in mechanical engineering
and Fatigue damage spectrum). Random vibration testing is one of the more common types of vibration testing services performed by vibration test labs
Random_vibration
Enclosure for testing materials under controlled conditions
Laboratory Tests Shelf life Standard conditions for temperature and pressure Thermo-mechanical fatigue test Universal testing machine Weather testing of polymers
Environmental_chamber
British–French supersonic airliner
P.; J.P. Perrais (1972). "Fatigue Tests on Big Structure Assemblies of Concorde Aircraft". Advanced Approaches to Fatigue Evaluation. NASA SP-309. 309:
Concorde
Light ground attack and training aircraft
fatigue tests, conducted since July 2005 by the Aeronautical Systems Division, part of the Aeronautics and Space Institute at the Structural Testing Laboratory
Embraer_EMB_314_Super_Tucano
Research center in Maharashtra, India
projects and provides testing facilities through its various laboratories. CIRT is an accredited National Accreditation Board for Testing and Calibration Laboratories
Central Institute of Road Transport
Central_Institute_of_Road_Transport
V.Y. Korostel, S.J. Maddox. On the Use of Ultrasound to Accelerate Fatigue Testing. 59th Annual Assembly of the International Institute of Welding. IIW
Ultrasonic_impact_treatment
First commercial jet airliner, four-engined
these were found to be caused by structural failure resulting from metal fatigue in the airframe, a phenomenon not fully understood at the time; the other
De_Havilland_Comet
Military transport aircraft
Navy's Naval Air Systems Command (NAVAIR) posted a solicitation for fatigue test aircraft to a government procurement website on 18 December 2020. It
Lockheed Martin C-130J Super Hercules
Lockheed_Martin_C-130J_Super_Hercules
Test to determine whether a user is human
used to deliver malware. Threat actors take advantage of "verification fatigue" to trick people into copying and executing console commands that download
CAPTCHA
Reduced pilot performance from inadequate energy
The International Civil Aviation Organization (ICAO) defines fatigue as "A physiological state of reduced mental or physical performance capability resulting
Pilot_fatigue
FATIGUE TESTING
FATIGUE TESTING
Girl/Female
Arabic, Australian, French, German
The Weaning; The Abstaining
Surname or Lastname
English of uncertain origin.
English of uncertain origin. : of uncertain origin. Perhaps a topographic name for someone who lived near a fig tree, or a metonymic occupational name for someone who sold figs, from Old French figue (Latin ficus).English of uncertain origin. : Reaney has it as a variant of Fitch.English of uncertain origin. : It may also be from an unidentified personal name.
Boy/Male
Muslim
Separator
Boy/Male
Arabic, Muslim
Separator
Girl/Female
American, Anglo, Australian, British, Chinese, Christian, Czechoslovakian, Danish, Dutch, English, Finnish, French, German, Greek, Hebrew, Indian, Italian, Latin, Spanish, Swedish, Swiss
Goddess of Canoe-makers; Weary; Meadow; Delicate; Bringer of Good News; Fatigued; Meadow Pasture; Tired
Boy/Male
Australian, Irish
A Poet; Philosopher
Surname or Lastname
English (of Norman origin)
English (of Norman origin) : habitational name from a place La Manche in France, so named from Old French mont ‘hill’ (see Mont 1) + agu ‘pointed’ (Latin acutus, from acus ‘needle’, ‘point’).Irish : English surname adopted as equivalent of Gaelic Mac Taidhg, a patronymic from the byname Tadhg (see McTigue).
FATIGUE TESTING
FATIGUE TESTING
Girl/Female
Tamil
Rama Satya | ரமா  ஸதà¯à®¯à®¾Â
A lofty place
Girl/Female
Tamil
Pranidhi | பà¯à®°à®¨à®¿à®¤à®¿
Spy
Girl/Female
American, Australian, Hungarian
Rose; Lilly
Boy/Male
Bengali, Indian, Kannada, Tamil
Pleasant
Boy/Male
Native American
The old one.
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Tamil
Another Name for Lord Murugan; Son of Lord Shiva
Surname or Lastname
English (County Durham)
English (County Durham) : unexplained.
Girl/Female
Tamil
Depending, Sajja means covered, Dressed, Ornamented, Armed, Fortified
Boy/Male
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Telugu
Fragrance
Male
Spanish
Spanish and Portuguese form of Latin Eligius, ELOY means "to choose."
FATIGUE TESTING
FATIGUE TESTING
FATIGUE TESTING
FATIGUE TESTING
FATIGUE TESTING
n.
Weariness; fatigue.
a.
Tired; fatigued.
n.
Fatigue.
n.
The weakening of a metal when subjected to repeated vibrations or strains.
n.
Weariness from bodily labor or mental exertion; lassitude or exhaustion of strength.
v. t.
To harass with labor; to fatigue.
v. t.
To fatigue to excess; to tire out.
a.
Wearied; tired; fatigued.
a.
Incapable of being fatigued; not readily exhausted; unremitting in labor or effort; untiring; unwearying; not yielding to fatigue; as, indefatigable exertions, perseverance, application.
imp. & p. p.
of Fatigue
n.
Excessive fatigue.
n.
Hardship; fatigue.
n.
To weary with labor or any bodily or mental exertion; to harass with toil; to exhaust the strength or endurance of; to tire.
v. t.
Anything that fatigues.
a.
Weary; fatigued; exhausted.
v. i.
To overcome with fatigue; to exhaust.
n.
The cause of weariness; labor; toil; as, the fatigues of war.
p. pr. & vb. n.
of Fatigue
v. t.
To harass; to fatigue.
v. t.
To weary; to tire; to fatigue.