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anisotropy

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0047105
EISBN: 978-1-62708-225-9
... microscopy, and mechanical-property analysis) supported the conclusions that the alloy steel plate used in this application contained significant brittle microstructural fibering or banding. This condition produced considerable anisotropy in ductility and toughness as revealed by mechanical testing...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001780
EISBN: 978-1-62708-241-9
... propagation rates, fracture toughness, notch toughness, and transverse tensile properties, and do so in an anisotropic manner with respect to rolling direction. Significant property anisotropy has been documented in the failures investigated, providing evidence that designers failed to account for it. Typical...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001777
EISBN: 978-1-62708-241-9
... flange fracture weld defects structural steel oxidation fractography anisotropy ASTM A36 (structural steel) UNS K02599 Introduction Structural Analysis Mechanical and Microstructural Characterization Fractography Conclusions Recommendations References References 1...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003536
EISBN: 978-1-62708-180-1
... measurements by using general and unbiased stereological relationships. Characteristics such as fracture surface roughness ( Ref 21 , 22 ), fracture surface anisotropy ( Ref 4 , 30 ), extent of overlaps ( Ref 4 ), average asperity height ( Ref 6 , 31 ), fraction of fracture path through different...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001267
EISBN: 978-1-62708-215-0
... in the 0.76 mm (0.030 in.) diameter (2275 MPa, or 330 ksi, minimum) per ASTM A228 ( Fig. 9 ). These results showed considerable plastic anisotropy in this material, which would be expected because of the heavily cold-worked (fibrous) microstructure. A detailed discussion of the effect of anisotropy...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003543
EISBN: 978-1-62708-180-1
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001802
EISBN: 978-1-62708-241-9
... strain levels in bending and the relatively large anisotropy of NiTi tensile and compressive behavior. An example of the tension-compression anisotropy is shown in Fig. 14 . The stress-induced austenite to martensite transformation occurs at significantly higher stresses and lower strains in compression...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c0089338
EISBN: 978-1-62708-224-2
..., exhibiting substantially poorer long and short transverse mechanical properties than the longitudinal properties, which were likely used for design. It is likely that the materials selection process did not properly account for this anisotropy. The selection of a rolled product may also be questionable here...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0048804
EISBN: 978-1-62708-230-3
... is not generally sufficient to characterize a microstructure The combinations of these factors can lead to tensile-strength variations up to 20% within a shell (excluding anisotropy effects) Cracking (fracturing) Dryer rolls Paper machines Gray iron Casting-related failures (Other, general...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0089254
EISBN: 978-1-62708-225-9
... in the material specification or may not have realized the sensitivity of this particular design to material anisotropy. The material itself was not defective or bad, and the part design was reasonable too, except for the material selection, which turned out to be the critical factor in this case...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001022
EISBN: 978-1-62708-214-3
..., if anything, be beneficial in that it would tend to reduce the anisotropy of the material so that the resistance to stress corrosion would be similar in all directions. Extruded material of this composition is known to be very anisotropic with respect to stress-corrosion resistance, being best...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001787
EISBN: 978-1-62708-241-9
... at local strain concentrators such as pores, inclusions, machined surface, or the elastic anisotropy of grains and/or second phases [ 8 – 10 ]. Surface finish has a strong influence on fatigue crack initiation [ 11 ], and residual stresses due to surface preparation can have considerable influence...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... to produce a standard specimen Multiple tests required due to test variability Orientation-specific depending on anisotropy of the microstructure Izod impact Higher strain rate than tensile test Quick and easy to perform Good for comparison of material vs. temperature or potential microstructure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
.... The article provides a discussion on the imperfections found in steel forgings. The problems encountered in sheet metal forming are also discussed. The article concludes with information on the causes of failure in cold formed parts. anisotropy blisters centerline shrinkage chemical segregation cold...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001819
EISBN: 978-1-62708-241-9
... to lower the sulfur content below 0.020%, since sulfide inclusions aligned on the rolling direction are sources of mechanical anisotropy and reduce resistance to corrosion [ 8 , 9 ]. The high nitrogen content and the low nickel content do not seem to be harmful to the material used in this application...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
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
... stress, the presence of a mean stress, temperature, environment, component size and shape, the presence of residual stresses, stress concentration, surface condition, anisotropy, and material imperfections or discontinuities. These factors complicate laboratory simulation of actual application conditions...
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
... of Shot Peening Parameters on Introduced Residual Stresses , Proc. ICRS4 ( Baltimore, MD ), 1994 , p 340 – 346 64. Simm T.H. , Peak Broadening Anisotropy and the Contrast Factor in Metal Alloys , Crystals 2018 , p 8 , 212 10.3390/cryst8050212 65. Warren B.E. , X-Ray...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
... that it can usually only be handled numerically. However, it should be pointed out that anisotropy is taken into account (e.g., as with an anisotropic yield criterion) and controlled when large-strain plastic forming operations are carried out with metallic sheet. Most metallic materials conform...