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brittle fracture

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Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005342
EISBN: 978-1-62708-187-0
... Abstract This article discusses the visual and microscopic characteristics of fractures of cast alloys. The fractures include ductile rupture, transgranular brittle fracture, intergranular fracture, fatigue, and environmentally induced fracture. The article describes the factors that affect the...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000605
EISBN: 978-1-62708-181-8
... fracture, brittle fracture, tensile-test fracture, transgranular fracture, cleavage fracture, delayed fracture, corrosion fatigue, inclusion morphology, fatigue crack propagation, and in-service fatigue fracture of various automotive components. These components include tie rod adjusting sleeves...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000608
EISBN: 978-1-62708-181-8
... Abstract This article is an atlas of fractographs that helps in understanding the causes and mechanisms of fracture of AISI/SAE alloy steels (4xxx steels) and in identifying and interpreting the morphology of fracture surfaces. The fractographs illustrate the brittle fracture, ductile fracture...
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
... illustrations. The article also describes microscopic and macroscopic features of the different fracture mechanisms with illustrations with emphasis on visual and light microscopy examination. The types of fractures considered include ductile fractures, tensile-test fractures, brittle fractures, fatigue...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000610
EISBN: 978-1-62708-181-8
... candy fracture, cleavage fracture, brittle fracture, high-cycle fatigue fracture, fatigue striations, hydrogen-embrittlement failure, creep crack propagation, fatigue crack nucleation, intergranular creep fracture, torsional overload fracture, stress-corrosion cracking, and grain-boundary damage of...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000606
EISBN: 978-1-62708-181-8
... fracture, brittle fracture, and in-service rotary bending fatigue fracture of fractured roof-truss angles, pressure-vessel shells, automotive axle shafts, broken keyed spindles, crane gears, blooming-mill spindles, automotive bolts, and crane wheels of these steels. axle shafts brittle fracture...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000609
EISBN: 978-1-62708-181-8
... Abstract This article is an atlas of fractographs that helps in understanding the causes and mechanisms of fracture of ASTM/ASME alloy steels and in identifying and interpreting the morphology of fracture surfaces. The fractographs illustrate the solidification cracking, creep failure, brittle...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000620
EISBN: 978-1-62708-181-8
... Abstract This article is an atlas of fractographs that helps in understanding the causes and mechanisms of fracture of cast aluminum alloys and in identifying and interpreting the morphology of fracture surfaces. The fractographs illustrate the brittle fracture, microvoid coalescence, fatigue...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000626
EISBN: 978-1-62708-181-8
... brittle fracture, transgranular fracture, intergranular fracture, and crack propagation of the tungsten carbide. brittle fracture cemented carbides four-point bending test fractograph intergranular fracture tungsten carbide Fig. 1273 Eta phase on the fracture surface of a 94WC-6Co alloy...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001831
EISBN: 978-1-62708-181-8
... on fracture surfaces of brittle nonmetallic materials or on brittle inclusions or intermetallic compounds. This structure consist of two sets of parallel cleavage steps that often intersect to produce a crisscross pattern. Wallner lines result from the interaction of a simultaneously propagating...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000612
EISBN: 978-1-62708-181-8
... fracture, low-cycle and high-cycle fatigue fracture, fracture surface, brittle intergranular fracture, hydrogen embrittlement, and intergranular stress-corrosion cracking of stainless steel components of these steels. The components include high-pressure compressor parts, springs, deflector yokes of...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000603
EISBN: 978-1-62708-181-8
... Abstract This article is an atlas of fractographs that covers pearlitic and ferritic ductile irons. The fractographs display the following: brittle cleavage fracture; fatigue crack propagation; fatigue and monotonic fracture surfaces; fracture modes in slow monotonic loading and impact loading...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000621
EISBN: 978-1-62708-181-8
.... It is apparent that the matrix contained many second-phase particles that have undergone brittle fracture (arrows). The surface is quite complex, with some regions that appear to show clusters of minute dimples (A) and other regions that strongly resemble intergranular fracture (B's). At C is one of...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000624
EISBN: 978-1-62708-181-8
... indicated by white arrows. See Fig. 1197 , 1198 , 1199 , and 1200 for TEM views of areas at A, B, and C. 0.3× Fig. 1197 TEM p-c replica of an area at the fatigue-crack nucleus at A in the fracture surface in Fig. 1196 , showing “brittle” fatigue striations (such as at the arrow at left...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000623
EISBN: 978-1-62708-181-8
... magnification. Many small secondary cracks are present among moderate-sized dimples. SEM, 2200× Fig. 1146 A Ti-6Al-4V fracture-toughness specimen identical to that in Fig. 1155 , except broken in hydrogen at 25 °C (77 °F). This fracture surface appears to be very brittle, showing intergranular...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000600
EISBN: 978-1-62708-181-8
... . Table 3 Causes of fractures or failures illustrated in the Atlas of Fractographs for various engineered materials Material Fracture source Fracture mode Parts Test specimens Total Ductile Brittle Fatigue Mixed mode Miscellaneous (a) Metal-matrix composites … 12 12 4 3 1 3...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003225
EISBN: 978-1-62708-199-3
... macroscopic scale as ductile fractures, brittle fractures, fatigue fractures, and fractures resulting from the combined effects of stress and environment. corrosion failures corrosion-fatigue failures distortion failures elevated-temperature failures fatigue failures fracture hydrogen-damage...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001835
EISBN: 978-1-62708-181-8
... general features of ductile and brittle fracture modes. fractography fracture modes scanning electron microscopy specimen preparation THE SCANNING ELECTRON MICROSCOPE has unique capabilities for analyzing surfaces. A beam of electrons moves in an x - y pattern across a conductive specimen...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005461
EISBN: 978-1-62708-196-2
... fracture strain for various materials and test methods. Under high hydrostatic pressure, even brittle materials such as marble have been made to flow plastically. The fracture model of Lee and Kuhn ( Ref 39 ) can be modified to include hydrostatic pressure and thus determine its effect on the fracture...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000630
EISBN: 978-1-62708-181-8
...-brittle fatigue crack propagation, brittle and ductile fracture, crack-growth mechanisms, tearing, fibrillation, and fatigue striations of these surfaces. crack growth fatigue crack propagation fatigue striations fractograph polycarbonate polyethylene polyimide polymers Fig. 1317...