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coefficients of linear thermal expansion

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001852
EISBN: 978-1-62708-241-9
... source of thermal loading for thermal shock simulation. For inner surface the convection coefficient h out = 10 W/m 2 °C is applied [ 8 ] while the convection coefficient h in = 306 W/m 2 °C is applied for loading (heating up to 240 °C) the outer surface and h in = 490 W/m 2 °C for unloading...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.9781627081801
EISBN: 978-1-62708-180-1
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003546
EISBN: 978-1-62708-180-1
... to the thermal expansion of the specimen at the current temperature is computed through knowledge of the coefficient of thermal expansion, the temperature, and the gage length. It is then transformed into an equivalent electrical signal to which a signal corresponding to the total mechanical strain is added...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001771
EISBN: 978-1-62708-241-9
... ]. Carburized material in the inner wall of the radiant tube has a higher thermal expansion coefficient and tends to increase in volume and place stresses on the tube. These thermal stresses make the tube more susceptible to creep failure [ 3 ]. The deposition of the coke at high temperature is generally...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006781
EISBN: 978-1-62708-295-2
... ) as a function of crack size for crack types A, B, and C. Δ K thermal , cyclic stress intensity due to thermal stresses; Δ K p , cyclic stress intensity due to pressure stresses Fig. 17 Effect of hold time on the fatigue crack growth rate properties of 2.25Cr-1Mo cast steel. The 2 h hold time tests...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
... be dissipated properly, and hence flash temperatures at sliding contacts remain high. Their poor thermal stability also makes them more vulnerable due to loss of mechanical strength with an increase in the surface temperature. The thermal expansion coefficients of polymers are ten times greater than those...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001845
EISBN: 978-1-62708-241-9
... of elasticity 1.30 × 10 5 MPa Fracture load ≥9.0 kN Thermal conductivity 250 W/m-K Sliding load 1.5 kN Coefficient of thermal expansion (20–300 °C) 1.7 × 10 –5 K Tightening torque 28 N m Fig. 1 General view of the steady clamps analyzed: ( a ) views in different directions; ( b...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
EISBN: 978-1-62708-180-1
... temperature or time Composition, thermal stability, evolved gas analysis Thermomechanical analysis (TMA) Dimensional changes over temperature Coefficient of thermal expansion, material transitions, molded-in stress, chemical compatibility Dynamic mechanical analysis (DMA) Elastic modulus, viscous...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
... Hole Expansion Process for Stress Analysis and Evaluation of Fatigue Properties , OSR J. Mech. Civil Eng. (IOSR-JMCE) , ISSN: 2278-1684, 2013 , p 21 – 27 The residual stresses present in a component can arise in almost every step of processing ( Ref 1 ) and, in many cases, can play a key role...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... the wear evolution of a sintered steel displaying a significant fluctuation of the friction coefficient, depending on the loading condition. Adapted from Ref 42 Fig. 14 Illustration and chart of the quantification of wear rate under gross slip using the accumulated friction energy parameter...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
... of thermal expansion, and high-temperature capability are properties also suited to rolling-element materials. Silicon nitride has been found to have a good combination of properties suitable for these applications. Research over the past three decades on structure, quality control, and manufacturing...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... oxidation rate versus temperature. LTHC, low-temperature hot corrosion; HTHC, high-temperature hot corrosion. Courtesy of U.S. Navy Fig. 26 Schematic of cross section of a thermal barrier coating (TBC). Calcium-magnesium-alumino-silicate (CMAS) deposits on the TBC surface, which upon melting...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... the characteristics of fatigue fractures followed by a discussion on the effects of loading and stress distribution, and material condition on the microstructure of the material. In addition, general prevention and characteristics of corrosion fatigue, contact fatigue, and thermal fatigue are also presented...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003512
EISBN: 978-1-62708-180-1
... conditions. Thermal fatigue can be defined as the gradual deterioration and eventual cracking of a material by alternating heating and cooling during which free thermal expansion is partially or fully constrained. The constraint of a part or material does not allow free expansion to occur. For example...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
.... Some of these problems are drilling of and installation damage to the composite, delamination of the composite material around the hole and pullout of the fastener under load, differences in expansion coefficients of the composite and the fastener, galvanic corrosion between the composite hole wall...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... of a material as a function of time. Some key material properties at high temperature are thermal expansion coefficient, stress rupture, elastic modulus, fatigue life, and oxidation resistance. Total strain at temperature is given by the sum of elastic stress-strain modulus, thermal expansion strain...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
...-life criterion gas porosity heat treatment inclusions infinite-life criterion internal bursts macropitting micropitting reversed bending rolling-contact fatigue rotational bending strengthening stress distribution subcase fatigue thermal fatigue torsional loading FATIGUE damage...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003510
EISBN: 978-1-62708-180-1
... one-dimensional heating or cooling can be estimated from ( Ref 6 ): (Eq 2) σ = E ⋅ ε = E ⋅ 1 3 ( Δ V / V ) = E ⋅ α ⋅ Δ T where σ is stress, ε is strain, E (modulus of elasticity) = 2 × 10 5 N/mm 2 , and α (coefficient of thermal expansion) = 1.2 × 10 −5...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
... as the gradual deterioration and eventual cracking of a material by alternating heating and cooling, during which free thermal expansion is partially or fully constrained. The constraint of a part or material does not allow free expansion to occur. For example, thermal strains are generated in the airfoils...