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tensile-overload fracture

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Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000619
EISBN: 978-1-62708-181-8
... fracture, transgranular fracture, microvoid coalescence, corrosion fatigue, fatigue striations, tensile-overload fracture, stress-corrosion cracking, and pitting corrosion of these alloys. copper alloys corrosion fatigue fatigue fracture fatigue striations fractograph stress-corrosion cracking...
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
... region; at right is region of tensile-overload fracture, which is dimpled and has aligned elongated cavities suggesting localized slip. See also Fig. 1157 . SEM, 110× Fig. 1157 Portion of the tensile-overload fracture region of the fracture surface in Fig. 1156 , as seen at ten times...
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
..., 3000× Fig. 1015 Surface of a tension-overload fracture in an unnotched specimen of aluminum alloy 7075-T6 having a tensile strength of 520 MPa (75 ksi), with 22% reduction of area. Surface is coarsely fibrous; shear lip has formed two opposing lobes. See also Fig. 1016 and 1017 . 9...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003539
EISBN: 978-1-62708-180-1
..., a transition to propagation on a slant plane can occur ( Fig. 12 ). Macroscopically, fatigue fracture ordinarily has a brittle appearance and lacks the gross plastic deformation (e.g., necking) characteristic of ductile tensile overload fracture. In contrast with tensile overload fracture, which generally has...
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
...). At upper left are regions in which considerable local stretching has occurred. Some secondary cracking may be present. TEM p-c replica, 3000× Fig. 394 Torsion-overload fracture in AISI 4340 steel oil quenched from 845 °C (1550 °F) and tempered at 635 °C (1175 °F) to a tensile strength of 931 MPa...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
.... Fatigue crack at left of arrows is flat and perpendicular to side surfaces (note absence of beach marks in this laboratory fatigue fracture). Overload fracture to right of arrows has 45° shear lips extending upward at the top side of the sample and downward at the bottom side. Fig. 14 Fatigue...
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
.... It describes the general aspects of fracture modes and mechanisms. The article briefly reviews some mechanistic aspects of ductile and brittle crack propagation, including discussion on mixed-mode cracking. Factors associated with overload failures are discussed, and, where appropriate, preventive steps...
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
...Abstract Abstract Overload failures refer to the ductile or brittle fracture of a material when stresses exceed the load-bearing capacity of a material. This article reviews some mechanistic aspects of ductile and brittle crack propagation, including a discussion on mixed-mode cracking, which...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005657
EISBN: 978-1-62708-198-6
... state on fracture surface plane for ductile and brittle overload fractures. Source: Reprinted from Ref 7 Fig. 2 Ductile torsion fracture in Nitinol wire. Fracture surface is parallel to maximum shear stress. Fig. 3 Schematic that shows the effect of loading condition on microvoid...
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
... A classic example of cup-and-cone tension-overload fracture in an unnotched specimen of 13-8 PH stainless steel with tensile strength of 1634 MPa (237 ksi) and 47% reduction of area. There are circumferential secondary cracks at the base of the shear lip. See also Fig. 721 . 9× Fig. 721 SEM view...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003720
EISBN: 978-1-62708-177-1
... a brittle appearance and lacks the gross plastic deformation (e.g., necking) characteristic of ductile tensile overload fracture. In contrast with ductile overload fracture, which generally has more-or-less shear lip (slant 45° fracture) along free surfaces, propagating fatigue fractures typically intersect...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000614
EISBN: 978-1-62708-181-8
... of a fracture-toughness specimen of 18% Ni, grade 300 maraging steel aged 3 h at 540 °C (1000 °F) and air cooled. Fatigue crack at bottom; ductile, tension-overload fracture at top. Note ridges, spaced at about 60 μm, in ductile region parallel to crack front. See also Fig. 806 , 810 , and 811 . SEM, 47...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000613
EISBN: 978-1-62708-181-8
... fracture and revealing the equiaxed dimples expected in a tension-overload fracture. No secondary cracks are visible. SEM, 4000× Fig. 786 High-cycle fatigue fracture in AISI H11 tool steel heat treated to a tensile strength of 2041 MPa (296 ksi) and 48% reduction of area, which broke after...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003227
EISBN: 978-1-62708-199-3
... stress-corrosion cracks ordinarily are observable at low magnification. The fracture surfaces usually contain easily identifiable regions of crack initiation, slow crack propagation and final rupture (see Fig. 3 ). Final rupture usually occurs by tensile overload. Thus, the area of final fracture...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003227
EISBN: 978-1-62708-199-3
... contain easily identifiable regions of crack initiation, slow crack propagation and final rupture (see Fig. 3 ). Final rupture usually occurs by tensile overload. Thus, the area of final fracture often shows some evidence of ductility, such as a shear lip or a herringbone pattern emanating from the zone...
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
... from the pertinent articles in the ASM Handbook , Volume 11, Failure Analysis and Prevention ( Ref 1 , 2 , 3 , 4 ). General Fracture Examination Fracture Features References References 1. Miller B.A. , Overload Failure , Failure Analysis and Prevention , Vol 11 , ASM...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
... cause considerable deformation (elongation and necking) before fracture, which originates near the center of the shaft and propagates toward the surface, ending with a conical shear lip usually about 45° to the shaft axis. However, in a brittle material, a fracture from a single tensile overload...
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
...: Final, sudden fracture of the remaining cross section Stage III occurs during the last stress cycle when the cross section cannot sustain the applied load. The final fracture—which is the result of a single overload and which can be brittle, ductile, or a combination of the two—is not really...
Book Chapter

By Mark Hayes
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002377
EISBN: 978-1-62708-193-1
... direction before switching to the stage II tensile direction. The final overload failure is often referred to as stage III of a fatigue failure. When fatigue cracks initiate below the surface in compression springs (because of surface compressive stresses from shot peening), the cracks propagate in the 45...
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
... to ensure more uniform quenching (so that transformation to 100% martensite was accomplished on all parts), the problem was solved. Distortion failures caused by overload can occur at any temperature at which the flow strength of the material is less than the fracture strength. In this discussion, flow...