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coefficient of thermal expansion

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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006932
EISBN: 978-1-62708-395-9
...Linear coefficients of thermal expansion (CTEs) Table 1 Linear coefficients of thermal expansion (CTEs) Material 10 −6 /K Polymethyl methacrylate(a) 50–90 Polyacrylonitrile(a) 66 Cellulose acetate(a) 100–150 Nylon 6(a) 80–83 Nylon 11(a) 100 Polycarbonate...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001593
EISBN: 978-1-62708-234-1
... in coefficients of thermal expansion between the polysulfone and the mating steel insert. Coefficient of thermal expansion Insert molding Plastic Polysulfone Brittle fracture Introduction A flow sensor was submitted for analysis because the plastic body section had failed while in service...
Image
Published: 01 June 2019
Fig. 5 TMA plot overlay showing the differential in the coefficients of thermal expansion between the plastic collar material and the steel insert More
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001811
EISBN: 978-1-62708-241-9
... of steel to be considered in design is its coefficient of thermal expansion. Most heat-treating problems could be solved if this coefficient could be controlled [ 1 ]. Almost all solids expand on heating and contract upon cooling. The relationship between thermal conductivity and thermal expansion...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006923
EISBN: 978-1-62708-395-9
...Thermal properties of selected resins Table 1 Thermal properties of selected resins Thermoplastic resins Heat-deflection temperature at 1.82 MPa (0.264 ksi) UL index (a) Thermal conductivity Coefficient of thermal expansion, 10 −6 /°C °C °F °C °F W/m · K Btu/ft · h · °F...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0048772
EISBN: 978-1-62708-220-4
... through the fireside edge of the fracture surface. Scale was observed over most of the crack path which acted as a stress raiser. The effect of the oxide was magnified during thermal cycles because of differential thermal expansion, with the steel having a greater expansion coefficient than the scale...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001110
EISBN: 978-1-62708-214-3
... revealed that failure was by thermal fatigue caused by the presence of biaxial thermal stresses on the inner surface of the tube. Because of their higher coefficient of thermal expansion and their lower thermal conductivity, austenitic stainless steels have poor resistance to thermal fatigue...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090451
EISBN: 978-1-62708-218-1
... in excess of the stated drying temperature. Further analysis of the assembly materials using thermomechanical analysis (TMA) produced significantly different results for the PET jacket and the steel housing material. Determination of the coefficients of thermal expansion (CTEs) showed approximately...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001358
EISBN: 978-1-62708-215-0
... effective means by which to avoid cracking. Stress relieving or annealing the welds alleviates the residual stresses caused during welding. However, annealing cannot be fully effective when using an austenitic filler metal because of the difference in coefficients of thermal expansion between the weld metal...
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 Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001570
EISBN: 978-1-62708-220-4
... be aggravated due to the lack of isotropy of titanium, which has a hexagonal crystal structure 3 . The difference in the thermal expansion coefficient of carbon steel and titanium might have played an important part in the loosening of the joint. The thermal expansion coefficient of carbon steel is over 30...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0006548
EISBN: 978-1-62708-180-1
... opening displacements COV coefficient of variation CPSC Consumer Product Safety Commission CTE coefficient of thermal expansion CTOD crack-tip opening displacement CVD chemical vapor deposition CVN Charpy V-notch (impact test or speci- men) d depth; diameter da/dN fatigue crack growth rate da/dt crack...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001816
EISBN: 978-1-62708-180-1
...-corrosion cracking (SCC) and hydrogen damage; fracture, including fatigue fracture, thermal fatigue fracture, and stress rupture; and distortion, especially distortion involving thermal-expansion effects or creep. The causes of failure can generally be classified as design defects; fabrication defects...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001069
EISBN: 978-1-62708-214-3
... stresses. One method for achieving this is stress-relief annealing at 650 °C (1200 °F). The intermediate nickel-iron alloy bond layer aids in minimizing the effects of differences of coefficients of thermal expansion between the carbon steel and stainless steel cladding caused by stress-relief annealing...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006825
EISBN: 978-1-62708-329-4
...), increases in inside-diameter scale thickness, or decreases in steam-side heat-transfer coefficient caused by reduced flow will lead to tube metal temperature increases. Table 4 lists the range of values for heat-transfer coefficients and thermal-conductivity values for internal deposits. Heat...
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
... Nickel properties used in FE analysis [<xref rid="c9001852-ref10" ref-type="bibr">10</xref>] Table 4 Nickel properties used in FE analysis [ 10 ] Density 8900 kg/m 3 Module of elasticity 170 GPa Poisson’s ratio 0.31 Thermal expansion 14 E-6/°C Thermal conductivity 90.7 J/m °C...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006938
EISBN: 978-1-62708-395-9
... specification sheets from suppliers. These “spec sheets” often list nominal material properties—such as Young’s modulus or coefficient of thermal expansion (CTE)—with values of these properties acquired according to certain standardized test methods, but they rarely include multipoint data or account...
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
... are presented as expansion or contraction. Uses of TMA in Failure Analysis Coefficient of Thermal Expansion The coefficient of thermal expansion (CTE) is the change in the length of a material as a response to a change in temperature. The derivative of the slope of the line showing the dimensional...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006933
EISBN: 978-1-62708-395-9
... over 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...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006869
EISBN: 978-1-62708-395-9
... and the expansion coefficient by the addition of adequate fiber is promoted. The filler’s functionality is governed by the type, orientation, size, modulus of elasticity, relative hardness, brittleness, filler–matrix bounding strength, and, most importantly, synergistic and/or antagonistic effects in the case...