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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001250
EISBN: 978-1-62708-223-5
... stresses together with the low purity favored the fracture of the tool. Cracking (fracturing) Forming dies High speed tool steels Segregations DMo5 (Other, general, or unspecified) fracture Figure 1 shows a general view of the piece of the broken cross-recessed die under examination. For...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0089456
EISBN: 978-1-62708-223-5
... Banded structure Chemical segregation Forging dies D5 UNS T30405 Metalworking-related failures A cross-recessed die of D5 tool steel fractured in service. The die face was subjected to shear and tensile stresses as a result of the forging pressures from the material being worked. Figure 1(a...
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
... Abstract This article describes the characteristics of tools and dies and the causes of their failures. It discusses the failure mechanisms in tool and die materials that are important to nearly all manufacturing processes, but is primarily devoted to failures of tool steels used in cold...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0009222
EISBN: 978-1-62708-180-1
... secondary and developed because the structure is particularly sensitive to grinding. Fig. 6 Nonuniform, low quenching temperatures can cause bald-head fractures in carbon-tool steel dies. Fig. 7 A slitter knife of D2 tool steel exhibits characteristic grinding cracks (both parallel and...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001378
EISBN: 978-1-62708-215-0
... unspecified) fracture Selected References • Vander Voort G.F. , Failures of Tools and Dies , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 1986 , p 563 – 585 10.31399/asm.hb.v11.a0001814 • McGarry D.L. , Powell G.W. and...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001284
EISBN: 978-1-62708-215-0
... dies, design Die castings Sporting goods AM60A UNS M10600 Casting-related failures Selected Reference • Failures Related to Casting , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002 , p 103 – 155 10.31399/asm.hb.v11.a0003508...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001121
EISBN: 978-1-62708-214-3
... because of a highly stressed condition produced by a sharp corner combined with low toughness from ineffective tempering. It was recommended that 25 other inserts that belonged to the same die be double tempered. Automotive components Die drawing Die stamping Forming dies D2 UNS T30402 Fatigue...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001120
EISBN: 978-1-62708-214-3
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001788
EISBN: 978-1-62708-241-9
... Abstract Several failed dies were analyzed and the results were used to evaluate fatigue damage models that have been developed to predict die life and aid in design and process optimization. The dies used in the investigation were made of H13 steels and fractured during the hot extrusion of Al...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001162
EISBN: 978-1-62708-220-4
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c0048674
EISBN: 978-1-62708-222-8
... Abstract Fasteners, made in high-production progressive dies from 0.7 mm thick cold-rolled 1060 steel, were used to secure plastic fabric or webbing to the aluminum framework of outdoor furniture. It was found that approximately 30% of the fasteners cracked and fractured as they were compressed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001222
EISBN: 978-1-62708-225-9
... impressions of hot cracks in the steel die. The elevated casting temperatures place such severe demands on the die material, that hot cracks are frequently formed before the minimum number of pieces (about 2000) is reached. This minimum is of necessity high in view of the costs of the dies 2 . These...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001691
EISBN: 978-1-62708-234-1
... on pitting resistance. Metals that show a tendency to pit should not be used. Good machining practice will minimize internal stresses. Electropolishing the metal will give the best surface to increase pitting resistance. To minimize pitting, high quality DI water should be used, and it must be...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001667
EISBN: 978-1-62708-235-8
... 1. Di-Profiler Model FNC - Motor driven grinding/polishing head with flat 1 4 -inch removable discs for adhesive-backed grinding paper/polishing cloths. 2. Zeiss EPI Optical Microscope - Semi-portable microscope which can be disassembled and reassembled within minutes, magnification...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001270
EISBN: 978-1-62708-215-0
... line area. The fold would also be fully or partially decarburized at this point. The closeness of the trim dies caused a smearing or pulling at the part surface ( Fig. 3 ). This was accentuated by a slightly larger grain size in the trim area than in the rest of the forging. The tearing occurred as...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001574
EISBN: 978-1-62708-223-5
.... , Cherry P. , Pavy J.C. and Tessier J.J. , Qualite Des Depots Sous Vide Rapp . D'Etude 107040, Cetim , FRANCE , September 1988 . Selected References • Vander Voort G.F. , Failures of Tools and Dies , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001180
EISBN: 978-1-62708-219-8
... oxide and hence the readily occurring hydrogen embrittlement. References 1. Dies K. , Kupfer und Kupferlegierungen in der Technik , Springer-Verlag , Berlin, Heidelberg, New York ( 1967 ) 10.1007/978-3-642-48931-0 2. Thompson D. H. , Tracy A. W. , Trans, AIME 185...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001155
EISBN: 978-1-62708-223-5
... the surface roughness measured more precisely. Arbors Milling cutters 16MnCr5E Fatigue fracture Ductile fracture Selected References • Vander Voort G.F. , Failures of Tools and Dies , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001154
EISBN: 978-1-62708-223-5
... • Vander Voort G.F. , Failures of Tools and Dies , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 1986 , p 563 – 585 10.31399/asm.hb.v11.a0001814 • Fatigue Failures , Failure Analysis and Prevention , Vol 11 , ASM Handbook , ASM International , 2002...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001199
EISBN: 978-1-62708-235-8
... lines to dies which had yielded castings showing severe metal waves. However, in the two casting configurations tested, surface cooling alone gave little improvement. This is contrary to the observations of other workers 2 , 6 , 7 , 8 that spraying highly dilute lubricants on trouble-some areas...