1-20 of 104 Search Results for

stress-relaxation techniques

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006632
EISBN: 978-1-62708-213-6
... Abstract This article provides a detailed account of x-ray diffraction (XRD) residual-stress techniques. It begins by describing the principles of XRD stress measurement, followed by a discussion on the most common methods of XRD residual-stress measurement. Some of the procedures required for...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
...-relaxation testing. Shear testing, torsion testing, and formability testing are also discussed. The discussion of tension testing includes information about stress-strain curves and the properties described by them. compression testing fatigue testing formability testing fracture testing hardness...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006644
EISBN: 978-1-62708-213-6
... crystal growth, heat treatment, stress application, device operation, and so on allows for the study of the generation, interaction, and propagation of defects, making it a versatile technique to study many materials processes. The first topographic image of a single crystal was recorded as early as...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001300
EISBN: 978-1-62708-170-2
... Anisotropy Stress and strain In most cases, the first three factors are the most important. However, the others can be critically important for certain applications. Stresses and strains occur when the microstructural units of the coating (e.g., columnar grains in PVD coatings or splats in plasma...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006662
EISBN: 978-1-62708-213-6
...). Polarization modulation can be used to measure infrared reflection-absorption spectra of adsorbed monolayers in a single-beam experiment ( Ref 29 , 30 ). A linear polarizer is oriented to pass p-polarized light and is followed by a photo-elastic modulator (PEM) oriented with the stress axis at 45° to the...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006286
EISBN: 978-1-62708-169-6
... Abstract Quenching is a widely used technique to strengthen titanium alloys. This article presents the metallurgical and structural background underlying the specific techniques applied in the quenching of various titanium alloys, and the ways to control and reduce residual stresses induced...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003836
EISBN: 978-1-62708-183-2
..., including hydrogen embrittlement and stress-corrosion cracking. hydrogen embrittlement stress-corrosion cracking liquid phase quenching transition metal-metal binary alloys transition metal-metalloid alloys amorphous simple metal-transition metal-rare earth metal alloys AMORPHOUS, or glassy...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003251
EISBN: 978-1-62708-199-3
.... XRD techniques are equally applicable to other crystalline materials, such as ceramics, geologic materials, and most inorganic chemical compounds. The addition of alloying elements, heating or cooling, and residual stresses cause slight changes...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005426
EISBN: 978-1-62708-196-2
... intermolecular forces. Kinetic theory derivations are valid only for dilute gases but give detailed information about how such transport phenomena as stresses and heat fluxes arise from molecular fluctuations, which in turn are related to the average molecular properties for which the fluid equations solve...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
...: Identification of crystalline phases Quantitative analysis of mixtures of phases Precision measurement of lattice parameters Determination of the degree of preferred orientation in polycrystalline materials Estimation of mean size of very small crystalline particles, lattice strain, residual stresses...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005672
EISBN: 978-1-62708-198-6
... the design process, engineers should evaluate the adhesive and adherends as a system. Some of the important factors are: Compatibility with substrates, for example, environmental stress cracking of substrate polymers by uncured monomers or solvents Amount and type of stresses expected to be...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003252
EISBN: 978-1-62708-199-3
... information can, in turn, be used to measure residual stresses in individual grains. The divergent beam of backscattered electrons also has a wave character and can similarly diffract from the planes in the surrounding grain. The resulting electron diffraction pattern, termed a Kikuchi pattern, is analogous...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006672
EISBN: 978-1-62708-213-6
... a function of temperature (or time) under controlled atmospheric conditions. Differential scanning calorimetry has been used to study thermodynamic processes (glass transition, heat capacity) and kinetic events such as cure and enthalpic relaxations associated with physical aging or stress ( Ref 2...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006674
EISBN: 978-1-62708-213-6
... für Normung e.V. ( www.din.de ). Thermomechanical analysis data yield a number of important material properties and characteristics, including CTE, phase-change temperatures, glass transition, sintering onset and endpoint, thermal softening, viscosity, creep, and stress relaxation. The...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006444
EISBN: 978-1-62708-190-0
... driving mechanism behind vibrothermography. The required vibration amplitude is a function of defect and part properties and must be experimentally determined to ensure consistent defect detection while protecting the part from unnecessary stress. High vibrational stress amplitudes on the order of 50 MPa...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005455
EISBN: 978-1-62708-196-2
... strengthening grain size reduction atomistic modeling dislocations cast aluminum data-mining technique TENSILE PROPERTIES OF METALLIC MATERIALS are characterized by the elastic modulus (i.e., Young's modulus) exhibited by a material prior to the formation of a permanent set, the yield stress, ultimate...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001834
EISBN: 978-1-62708-181-8
... backward to find the origin or origins. The appearance of these marks on the fracture face is a function of the type of loading, for example, tension, shear, bending, fatigue, or torsion; the nature of the stress system; its magnitude and orientation; the presence of stress concentrators; environmental...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003204
EISBN: 978-1-62708-199-3
... Abstract This article discusses different heat treating techniques, including quenching, homogenizing, annealing, stress relieving, stress equalizing, quench hardening, strain hardening, tempering, solution heat treating, and precipitation heat treating (age hardening) for different grades of...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003023
EISBN: 978-1-62708-200-6
... expand isotropically, and hysteresis is noted in the expansion curve upon cooling. Figure 25 demonstrates the change in expansion due to stress relaxation when the sample initially exceeds the T g , in two different runs. Fig. 24 Effect of glass addition on coefficient of thermal expansion. PBT...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003039
EISBN: 978-1-62708-200-6
... adversely affected by size as long as loads can be reacted by pure membrane loading. Internal pressure rocket motors and pressure vessels represent excellent examples. The composite stress in the hoop direction is: σ = P R t Here, the stress, σ, is a direct function of the radius, R , and...