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regrinding

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0090445
EISBN: 978-1-62708-222-8
... had been injection molded from an ABS resin to which regrind was routinely added. Inspection of both the failed covers and retained parts, which exhibited normal behavior during assembly, included visual inspection, micro-FTIR in the ATR mode, and analysis using DSC. The FTIR results indicated...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0089429
EISBN: 978-1-62708-223-5
... without failure to prove that the failure was caused by use in excessive conditions. It was revealed by examination that the point of the broken drill was not the original point put on at manufacture but came from regrinding. Both technical and legal details have been discussed. Carbide segregation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001722
EISBN: 978-1-62708-236-5
... Abstract The crankshaft of a 37.5-hp, 3-cylinder oil engine was examined. The engine had been dismantled for the purpose of a general overhaul and in the course of this work the crankpins were chromium-plated before regrinding. The engine was returned to service and after running for 290 h...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006916
EISBN: 978-1-62708-395-9
... and fiber clustering at the weld line; (b) Part failure from fiber clustering resulting in weak weld line Fig. 6 Declining physical properties in a part resulting from the successive generation of regrind usage. Source: Ref 7 Fig. 3 The effect of moisture on the tensile, elongation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001552
EISBN: 978-1-62708-217-4
.... The cause was grinding damage; the nitrided layer was ground too rapidly causing excessive heat generation which induced grinding cracks ( Fig. 2 ) and grinding burn ( Fig. 3 ). Regrinding was not performed. Tensional stresses resulting from grinding developed in a thin surface layer. Fig. 1 Typical...
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
... to a variety of unrecorded operating conditions. Repair, regrinding, and wear in service all change the dimensions and stresses applied under given loads. Several constructions are found. The heads may be cast integrally with the cylindrical bodies or cast separately and bolted to the shells. The wall...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001050
EISBN: 978-1-62708-214-3
... by the periodic regrinding of the working surface. Although shell or head fracture is unusual, there has been at least one reported instance of cracking at a differently designed head-to-shell joint because of the wedging effect of corrosion products. The component was designed according to the provisions...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006942
EISBN: 978-1-62708-395-9
... to too much regrind of low molecular weight Creep Material undercured or heat resistance too low for service conditions Stress applied for long periods of time, resulting in unacceptable deformation Crazing and stress-cracking Fracture or crazing due to an internal...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006870
EISBN: 978-1-62708-395-9
... acceptably was not fabricated using a laminate construction, indicating that a laminate construction may not be an acceptable design for this application. Furthermore, additional analytical testing indicated that the failed part shown in Fig. 4 contained regrind/recycle material (inferior in physical...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
... common. Figure 11 shows two views of a 32- × 152- × 381-mm (1 1 4 - × 6- × 15-in.) AISI S1 tool steel cutter die that cracked extensively during regrinding after an initial service period. The as-received surface is shown in Fig. 11(a) ; the crack pattern is vividly revealed by magnetic...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006818
EISBN: 978-1-62708-329-4
... that cracked extensively during regrinding after an initial service period. The as-received surface is shown in Fig. 11(a) ; the crack pattern is vividly revealed by magnetic particles ( Fig. 11b ). The grinding scorch pattern is also visible. This die had been carburized, and the surface hardness was 62...
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
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
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.a0003505
EISBN: 978-1-62708-180-1
... regrinding (presumably from “eyeballing” rather than using a jig). The work conditions, including a small pilot hole, a portable drill press, relocation of the press between the two drilling operations, and a questionable supply of coolant, placed abnormal stress on the drill. The case was eventually...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.9781627083959
EISBN: 978-1-62708-395-9
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006939
EISBN: 978-1-62708-395-9
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4