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elastic modulus

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Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006944
EISBN: 978-1-62708-395-9
... of elastic modulus with the temperature for a typical amorphous polymer. T g is the glass-transition temperature, and the horizontal dashed line shows the effect of slight cross-linking. Fig. 2 Stress-strain curve of a ductile plastic. Ϭ f = stress at fracture; Ϭ y = yield stress; ε y = yield...
Image
Published: 01 June 2019
Fig. 3 A comparison of the DMA results, showing a loss of over 60% in the elastic modulus as a result of the effects of the solvent More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001606
EISBN: 978-1-62708-226-6
... weeks or months, the fixation implant is usually surgically removed, because the presence of the higher-elastic-modulus metal support may hinder the repaired bone development if it is retained in place. From the mechanical/metallurgical perspective, in addition to the basic requirement of excellent...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0090454
EISBN: 978-1-62708-220-4
... was analyzed in two conditions. Material samples representing the vessel material in the as-molded condition as well as material from the failed vessel were evaluated. A comparison of the DMA results showed that in the saturated, equilibrium state, the HDPE resin lost over 60% of its elastic modulus at room...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001602
EISBN: 978-1-62708-229-7
... of columnar grains, the crack is propagated along a continuous straight line without any element that retards propagation. In addition, the columnar grains present an elastic modulus (E), 30 to 40% lower than the equiaxial grains in the orientation parallel to the solidification direction <001>. 9...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006941
EISBN: 978-1-62708-395-9
... Fig. 1 Spring and dashpot models. (a) Linear elastic material with constant modulus slope, E. (b) Dashpot with linear liquid viscosity slope, η. Reprinted under the Creative Commons CC BY license from Ref 1 Fig. 2 Typical tensile stress-strain curves of a ductile plastic, showing...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006934
EISBN: 978-1-62708-395-9
... 107031 , 10.1016/j.polymertesting.2020.107031 92. Wang B. and Fancey K.S. , Application of Time-Stress Superposition to Viscoelastic Behavior of Polyamide 6,6 Fiber and Its “True” Elastic Modulus , J. Appl. Polym. Sci. , Vol 134 (No. 24 ), 2017 , 10.1002/app.44971 93...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
...) side ( Fig. 2 ). Fig. 2 Buckled flange (lower arrow) of an extruded aluminum section deliberately loaded with a lateral force (upper arrow). Source: Ref 3 . The buckling load depends only on the dimensions of the part and the modulus of elasticity of the material. Therefore, buckling...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
... section deliberately loaded with a lateral force (upper arrow). Source: Ref 4 . (b) Medium-length tube tested to buckling instability on special-purpose-designed test machine. Source: Ref 3 The buckling load depends only on the dimensions of the part and the modulus of elasticity...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006928
EISBN: 978-1-62708-395-9
...Typical room-temperature mechanical properties of plastics Table 1 Typical room-temperature mechanical properties of plastics Material(a) Tensile strength Elongation, % Modulus of elasticity Compressive strength Modulus of rupture Hardness MPa ksi GPa 10 6 psi MPa ksi MPa...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006915
EISBN: 978-1-62708-395-9
... different temperatures and strain rates Fig. 11 Tensile stress-strain curves for several types of polymeric materials. Source: Ref 23 Fig. 12 Thermal dependence of elastic modulus for a typical polymer. Source: Ref 8 Fig. 2 Viscosity (η) dependence on molecular weight...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006801
EISBN: 978-1-62708-329-4
... to the strength of the sheet under load at the end of forming and the subsequent unloading of elastic stresses; as such, metals having a lower elastic modulus are prone to greater springback if no design changes are made. For a given sheet metal that has the same elastic modulus, increasing strength also...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001788
EISBN: 978-1-62708-241-9
... extrusion dies. As can be observed from simulation results ( Table 1 ), von Mises stress and maximum principal strain at potential fatigue regions in the die reduces with increasing extrusion temperature. This is likely due to the reduced flow stress and elastic modulus of the billet at higher...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006930
EISBN: 978-1-62708-395-9
... / m 2 ) Storage modulus (elasticity) G ′ = ( σ 0 / γ 0 ) cos ( δ ) E ′ − ( τ 0 / γ 0 ) cos ( δ ) Pa Loss modulus (viscous nature) G ″ − ( σ 0 / γ 0 ) sin ( δ ) E ″ − ( τ 0 / γ 0 ) sin...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006919
EISBN: 978-1-62708-395-9
... ∫ A [ d u d x + 1 2 ( d w d x ) 2 − z d 2 w d x 2 ] d y d z     = E A [ d u d x + 1 2 ( d w d x ) 2 ] ≡ 0 where A is the cross-sectional area of the beam, E is the elastic modulus...
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.a0006548
EISBN: 978-1-62708-180-1
... modulus or modulus of elasticity; energy E elastic or storage modulus E viscous or loss modulus EAC environmentally assisted cracking EBSP electron backscattered pattern ECT equicohesive temperature EDM electric discharge machining EDS energy dispersive spectroscopy EDX energy-dispersive x-ray (analysis...
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
..., and elastic modulus. When melt and mold temperatures were optimized for each polymer, PPO and PSU showed an increase in modulus parallel to the injection direction as the injection rate increased ( Ref 32 , 33 ). The ultimate properties of PSU were measured. Increasing the injection rate increased...
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
.... With increase in volume fraction ( V f ) of the filler or fiber, wear may increase, decrease, or show minima at some concentration, generally around 20 to 30%. Abrasive wear may increase with a decrease in modulus of elasticity of fiber or matrix as a result of higher debonding of fibers. If the filler...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... Concentration Contact conditions Force/impact level Velocity Impact/impingement angle Sliding/rolling Temperature Wet/drypH Wear material properties Hardness Yield strength Elastic modulus Ductility Toughness Work-hardening characteristics Fracture toughness Microstructure Corrosion resistance...