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Initiation and propagation of cracks in a material due to cyclic loading
In materials science, fatigue is the initiation and propagation of cracks in a material due to cyclic loading. Once a fatigue crack has initiated, it grows
Fatigue_(material)
Maximum stress that will not cause fatigue failure
The fatigue limit, endurance limit is the stress level below which an infinite number of loading cycles can be applied to a material without causing fatigue
Fatigue_limit
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
Vibration fatigue is a mechanical engineering term describing material fatigue, caused by forced vibration of random nature. An excited structure responds
Vibration_fatigue
Degradation of solder due to deformation under cyclic loading
Solder fatigue is the mechanical degradation of solder due to deformation under cyclic loading. This can often occur at stress levels below the yield
Solder_fatigue
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
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 finite
Low-cycle_fatigue
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)
Topics referred to by the same term
2021 album by L'Rain. Fatigue (material), the initiation and propagation of cracks in a material due to cyclic loading Fatigue (safety), implications
Fatigue_(disambiguation)
Principle of materials science
the relationship between the stress amplitude experienced by a material and its fatigue life under cyclic loading conditions. The law is named after American
Basquin's_law
Thermo-mechanical fatigue (short TMF) is the overlay of a cyclical mechanical loading, that leads to fatigue of a material, with a cyclical thermal loading
Thermo-mechanical_fatigue
Determination of a material or structure's resiliency against cyclic loading
additional uncertainty involved. Fatigue tests are used to obtain material data such as the rate of growth of a fatigue crack that can be used with crack
Fatigue_testing
Materials science algorithm
with equivalent fatigue damage. The method successively extracts the smaller interruption cycles from a sequence, which models the material memory effect
Rainflow-counting_algorithm
Severe test for safety and performance of hardware
different refined meanings in specific contexts. One example is in materials, see Fatigue (material). Stress testing, in general, should put computer hardware
Hardware_stress_test
yield stress. Hence, the fatigue strength of a welded joint does not correlate to the fatigue strength of the base material. Incorporating design considerations
Fatigue_of_welded_joints
engineering stress is the most commonly used. Fatigue strength is a more complex measure of the strength of a material that considers several loading episodes
Strength_of_materials
Equation for quantifying the effect of stress cycles on the working life of a material
quantify the interaction of mean and alternating stresses on the fatigue life of a material. The equation is typically presented as a linear curve of mean
Goodman_relation
Split of materials or structures under stress
stress cracking Environmental stress fracture Fatigue (material) Forensic engineering Forensic materials engineering Fractography Fracture (geology) Fracture
Fracture
Analysis of multiaxial stresses and strains
on the fatigue life of materials and structures. When a structure is under cyclic multiaxial loading, it is necessary to use multiaxial fatigue criteria
Critical_plane_analysis
Damaging, gradual removal or deformation of material at solid surfaces
together with other processes such as fatigue and creep, causes functional surfaces to degrade, eventually leading to material failure or loss of functionality
Wear
Study of the fracture surfaces of materials
near the origin indicate a crack growing up into the bulk material by process known as fatigue. The crankshaft also shows hachures, which are the lines
Fractography
Class of tests going beyond standard operation conditions
such as material sciences, and therefore stress testing may sometimes have a technical meaning – one example is in fatigue testing for materials. In animal
Stress_testing
Topics referred to by the same term
Metal fatigue is the initiation and propagation of cracks in a material due to cyclic loading. Metal Fatigue may also refer to: Metal Fatigue (album)
Metal_Fatigue
Deformation mechanism
the process of fatigue due to rolling/sliding contact. The RCF process begins with cyclic loading of the material, which results in fatigue damage that can
Rolling_contact_fatigue
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
Material made from a combination of two or more unlike substances
composite material (also composition material) is a material which is produced from two or more constituent materials. These constituent materials have notably
Composite_material
its original size and shape when the stress is removed Fatigue limit: Maximum stress a material can withstand under repeated loading (MPa) Flexural modulus
List_of_materials_properties
Field of structural engineering
different causes of the first component failure: mechanical overload, fatigue (material), unpredicted scenario, etc. “human intervention” like unprofessional
Structural_fracture_mechanics
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
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
be linked to these specific material problems: Decrease the fracture resistance of Al–Li alloys. Decrease low cycle fatigue life of austenitic stainless
Dynamic_strain_aging
Arrhenius Avogadro's law Thermodynamics Amedeo Avogadro Basquin's Law of Fatigue Material science O. H. Basquin Bell's theorem Quantum mechanics John Stewart
List of scientific laws named after people
List_of_scientific_laws_named_after_people
Aerofoil; individual component of a turbine disc
itself can cause fatigue failures. Higher temperatures lead to better cycle efficiency in a turbine, calling for a need for materials innovation that continually
Turbine_blade
are applied to a material, even though the stresses do not cause plastic deformation, the material may fail due to fatigue. Fatigue failure is typically
Cyclic_stress
Surface engineering process
resistance of materials to surface-related failures, such as fatigue, fretting fatigue, and stress corrosion cracking. Laser shock peening can also be
Laser_peening
Protective or cushioning floor covering
Safety and Health Administration. The range of common materials for manufacturing anti-fatigue mats includes vinyl, wood, PVC tubing, rubber, PVC closed
Mat
Type of solid state switch
time-dependent dielectric breakdown (TDDB), electromigration (ECM), solder fatigue, material reconstruction, corrosion. The overstress failures mainly include
Insulated-gate bipolar transistor
Insulated-gate_bipolar_transistor
Property of solid materials under mechanical stress
In materials science, creep (sometimes called cold flow) is the tendency of a solid material to undergo slow deformation while subject to persistent mechanical
Creep_(deformation)
Fatigue failure of the surface of a material insufficiently lubricated
Micro pitting is a fatigue failure of the surface of a material commonly seen in rolling bearings and gears. It is also known as grey staining, micro spalling
Micro_pitting
Testing the stability of something by finding its breaking point
different refined meanings in specific contexts. One example is in materials, see Fatigue (material). Stress testing is a software testing activity that determines
Stress_testing_(computing)
Computer optimization software
components getting accurate meta-model for real-time computing. Predicting fatigue (material) has been one of the most important problems in design engineering
OptiY
Stress characteristics of materials
effect is crucial for predicting material behavior under such conditions and designing components with improved fatigue resistance. Research in this domain
Bauschinger_effect
Type of bridge
steel in bridges is designed to operate well below its yield strength. Material fatigue limits stresses to approximately half the yield strength, around 120
Steel_bridge
Study of fracture surface of ploymers
conditions to fatigue life in lab tests. The strain energy density is defined as the energy invested into the volume unit of polymeric material for deformation
Fracture_in_polymers
Glass reinforced aluminium
behavior, especially in impact and metal fatigue. Since the elastic strain is larger than other metal materials[citation needed], it can consume more impact
GLARE
Fracture mechanic academic journal (1979 - )
Journal of Fatigue is a monthly peer-reviewed scientific journal covering research, theory, and practice concerning the fatigue of materials and structures
International Journal of Fatigue
International_Journal_of_Fatigue
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
Standard specimen in fracture mechanics
fracture toughness and fatigue crack growth data for a material. The purpose of using a notched sample is to create a fatigue crack by applying cyclic
Compact_tension_specimen
Method of computer access control
in recent years. Security issues which can cause the bypass of MFA are fatigue attacks, phishing and SIM swapping. Accounts with MFA enabled are significantly
Multi-factor_authentication
Austenitic nickel-chromium superalloys
(2025-01-01). "Thermo-mechanical fatigue behavior and life prediction of selective laser melted inconel 718". Materials Science and Engineering: A. 919
Inconel
Particles added to improve its properties
adhesion. Talc is a filler that can be used to increase fatigue resistance. Filler materials have a large influence on thermal deformation in crystalline
Filler_(materials)
Deviation with the scale in the theories of elastic or plastic structures
{\displaystyle l_{0}} and material inhomogeneities are negligible compared to D {\displaystyle D} . This is the case for fatigue-embrittled metals or fine-grained
Size effect on structural strength
Size_effect_on_structural_strength
analysis. MaterialCenter supports commercial CAE products including MSC Nastran, MSC Fatigue, Marc, and e-Xstream Digimat. MSC Software MaterialCenter Data
MaterialCenter
Externally-produced indentation in a planar material
concentration which can result in the initiation and growth of fatigue cracks. Notches are used in materials characterization to determine fracture mechanics related
Notch_(engineering)
Titanium alloy
com. AZO Materials. 30 July 2002. Retrieved 14 March 2017. Wanhill, Russell; Barter, Simon (2012), "Metallurgy and Microstructure", Fatigue of Beta Processed
Ti-6Al-4V
Cold metal working process to produce compressive residual stress
part geometry, part material, shot material, shot quality, shot intensity, and shot coverage, shot peening can increase fatigue life up to 1000%. Plastic
Shot_peening
Device to generate electricity from wind
trend may grow if fatigue and strength properties can be improved. Pre-stressed concrete has been increasingly used for the material of the tower, but
Wind_turbine
Location in an object where stress is far greater than the surrounding region
failure of even ductile materials. Fatigue cracks always start at stress raisers, so removing such defects increases the fatigue strength. Stress concentrations
Stress_concentration
Metal heat treatment process
absorbs carbon while the metal is heated in the presence of a carbon-bearing material, such as charcoal or carbon monoxide. The intent is to make the metal harder
Carburizing
Type of mechanical bearing
design, material types, hysteresis and fatigue Weinstein, Warren D., "Microperformance of Metals". Machine Design, September 11, 1969 - Material relaxation
Flexure_bearing
needed][citation needed] The fatigue properties of AlBeMet extruded material have been tested using the Krause rotating beam fatigue test utilizing fully reversed
Beryllium-aluminium_alloy
they can lead to fatigue and injury. The main risk factors, or conditions, associated with the development of injuries in manual material handling tasks
Ergonomics for manual material handling
Ergonomics_for_manual_material_handling
Materials used for aerospace purposes
safety-conscious field, particularly for their resistance to fatigue. The field of materials engineering is an important one within aerospace engineering
Aerospace_materials
Deformation mechanism in steel
white structure flaking or brittle flaking, is a type of rolling contact fatigue (RCF) damage that can occur in bearing steels under certain conditions
White_etching_cracks
Instantaneous value of stress required to continue plastically deforming a material
important parameter in the fatigue failure of ductile materials. Fatigue failure is caused by crack propagation in materials under a varying load, typically
Flow_stress
Process occurring in some polymers
important effects on strength and fatigue properties. Strain crystallization occurs when the chains of molecules in a material become ordered during deformation
Strain_crystallization
Aspect of healthcare
Management of ME/CFS (myalgic encephalomyelitis/chronic fatigue syndrome) focuses on symptoms management, as no treatments that address the root cause
Management_of_ME/CFS
German railway engineer
on fatigue marks the first systematic investigation of S-N curves, also known as Wöhler curves, to characterise the fatigue behaviour of materials. Such
August_Wöhler
Alloy known for shape-memory effect
(2013-09-01). "The Effect of Inclusions on Fatigue Properties for Nitinol". Fatigue and Fracture Metallic Medical Materials and Devices. pp. 18–34. doi:10.1520/STP155920120189
Nickel_titanium
list of topics includes manufacturing, mechanics, fracture and damage, fatigue, design of components and structures, impact behavior, experimental methods
International Conference on Composite Materials
International_Conference_on_Composite_Materials
Alloy which returns to a preset shape when heated
known as functional fatigue, as it is closely related with a change of microstructural and functional properties of the material). The maximum temperature
Shape-memory_alloy
Manufacturing process
occurs in the material reduces fatigue life and must be machined, either mechanically or chemically, before the material is used. However, new HIP developments
Hot_isostatic_pressing
Reduction in ductility of a metal exposed to hydrogen
much smaller effect on high-cycle fatigue. Hydrogen embrittlement is a volume effect: it affects the bulk of the material. Environmental embrittlement is
Hydrogen_embrittlement
Branch of forensic engineering
Forensic materials engineering, a branch of forensic engineering, focuses on the material evidence from crime or accident scenes, seeking defects in those
Forensic materials engineering
Forensic_materials_engineering
Very small scale structure of material
bonding; this process improves fatigue resistance of the component. Abnormal grain growth – Phenomenon of certain material grains growing faster than others
Microstructure
Research centre in Boston, United States
Harvard Fatigue Laboratory (1927–1947) was a research centre designed to investigate the physiological, sociological and psychological impacts of fatigue caused
Harvard_Fatigue_Laboratory
Study of material structure and properties
macroscopic properties of materials, including: Mechanical testing, including tensile, compressive, torsional, creep, fatigue, toughness and hardness testing
Characterization (materials science)
Characterization_(materials_science)
Safety principle in transport engineering
this high-cycle life happens has come to be recognized as the fatigue asset of the material (Oja 2013). There are two generic types of aircraft structure
Safe-life_design
Structure made of three layers
panels under different loading conditions such as indentation, impact, fatigue and bending. Sandwich panels have different fire behaviours, resistance
Sandwich_panel
Application of forces to an item to determine its properties
mechanical behaviour of materials at high temperatures (relative to their melting point) Fatigue Testing, for the behaviour of materials under cyclic loading
Mechanical_testing
Wear or damage on loaded surfaces
Fretting decreases fatigue strength of materials operating under cyclic stress. This can result in fretting fatigue, whereby fatigue cracks can initiate
Fretting
Composite material used for paving
bitmac or bitumen macadam in the United Kingdom and Ireland) is a composite material commonly used to surface roads, parking lots, airports, and the core of
Asphalt_concrete
Discrete unit of communication
intention of the message which results in a boomerang effect. Message fatigue is another outcome recipients can obtain if a message is conveyed too much
Message
Science of predicting if, when, and how a given material will fail under loading
Material failure theory is an interdisciplinary field of materials science and solid mechanics which attempts to predict the conditions under which solid
Material_failure_theory
Substances that can repair themselves
diagnosis of the problem or human intervention. Generally, materials will degrade over time due to fatigue, environmental conditions, or damage incurred during
Self-healing_material
Sleep in an unusual place
that lack of sleep can cause fatigue that leads to errors while performing critical tasks. Also, individuals who are fatigued often cannot determine the
Sleep_in_space
Precipitation-hardening aluminium alloy
thermal conductivity for 6061-T6 at 25 °C (77 °F) is around 152 W/m K. The fatigue limit under cyclic load is 97 MPa (14 ksi) for 500,000,000 completely reversed
6061_aluminium_alloy
Mechanism to constrain relative movement to the desired motion and reduce friction
bearings in that application can be expected to have failed due to classical fatigue failure (and not any other mode of failure such as lubrication starvation
Bearing_(mechanical)
Mechanical test for materials
for brittle materials that cannot withstand shear stresses very well. It is one of the most widely used apparatus to characterize fatigue and flexural
Four-point_flexural_test
Welsh musician (born 1990)
he was treated for depression and was also misdiagnosed with chronic fatigue syndrome and bipolar disorder. Ren was born on 29 March 1990 in Bangor
Ren_Gill
This list contains fictional chemical elements, materials, isotopes or subatomic particles that either a) play a major role in a notable work of fiction
List of fictional elements, materials, isotopes and subatomic particles
List_of_fictional_elements,_materials,_isotopes_and_subatomic_particles
1973 studio album by George Harrison
Living in the Material World is the fourth studio album by the English musician George Harrison, released in 1973 on Apple Records. As the follow-up to
Living_in_the_Material_World
German and Norwegian materials scientist
Julia Glaum (born 1980) is a materials scientist whose research concerns the aging and fatigue of advanced functional materials with ferroelectric or piezoelectric
Julia_Glaum
Although high fatigue life has been demonstrated, this property has been found to be controlled by the internal twinning stress in the material, which is
Magnetic_shape-memory_alloy
Thermoplastic polymer
polypropylene is resistant to fatigue, most plastic living hinges, such as those on flip-top bottles, are made from this material. However, it is important
Polypropylene
American record producer (born 1963)
of highly compressed and loudly mastered music – a major cause of ear fatigue" Jon Hadusek of Consequence of Sound wrote, "Rubin ... deserves disparagement
Rick_Rubin
Compassion fatigue (CF) is an evolving concept in the field of traumatology. The term has been used interchangeably with secondary traumatic stress (STS)s
Compassion fatigue in journalism
Compassion_fatigue_in_journalism
Concept in fracture mechanics
fracture mechanics when solving problems and estimating material properties related to fracture and fatigue. The energy release rate G {\displaystyle G} is defined
Energy release rate (fracture mechanics)
Energy_release_rate_(fracture_mechanics)
Substance engineered for biological medical use
Depending upon the composition of the implanted material, the surface of the implant, the mechanism of fatigue, and chemical decomposition there are several
Biomaterial
Gradual destruction of materials by chemical reaction with its environment
into a more chemically stable oxide. It is the gradual deterioration of materials (usually a metal) by chemical or electrochemical reaction with their environment
Corrosion
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