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progressive dies

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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 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...
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
..., or unspecified) fracture Background Two 38 mm (1.5 in.) diam plain carbon steel threaded stud bolts were examined to determine their serviceability. They were part of a steel mold die assembly from a plastics molding operation. Applications The plastic molding company involved moves its steel dies...
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
... Update to ASM Handbook , Vol 11 , Failure Analysis and Prevention , from Riedel J.Y. , Why Tools and Dies Fail, Metal Progress , Vol 97 , April 1970 , p 101 – 104 . 10.31399/asm.hb.v11.a0009222 ...
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
... at the surface. It was initiated by several far progressed bend fatigue fractures. The incipient fractures at the bottom of the picture are located almost in the same plane at right angles to the direction of principal stress and apparently were formed first. But the incipient fracture at the top of the picture...
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 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...
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
... of tool and die failures are also covered. In addition, the article focuses on a number of factors that are responsible for tool and die failures, including mechanical design, grade selection, steel quality, machining processes, heat treatment operation, and tool and die setup. cold working dies...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006835
EISBN: 978-1-62708-329-4
... in the way of temperature control other than observation by the unit operator. Induction heating systems are usually well designed to achieve and maintain a desired temperature. However, when dealing with incomplete filling of dies, some forge unit operators may choose to increase the temperature...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001791
EISBN: 978-1-62708-241-9
... is predominantly ductile with many micro voids, while Fig. 11 , which presents parallel thermal fatigue striations, similar to the ones presented in another study [ 7 ], shows the possibility of a progressive advance of the fracture in a diminishing transverse section. Similar to the inner region, in the outer...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001377
EISBN: 978-1-62708-215-0
... analysis are depicted in Fig. 6 , 7 , 8 , 9 . In this picture sequence, the crack propagation is traced from the intergranular origin area at the shank surface to the unstable crack growth region near the shank center. The crack originated intergranularly at the shank surface. It progressed slowly...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
EISBN: 978-1-62708-295-2
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
... and erosive wear ( Ref 6 ). As such, adhesive wear initiates microscopically but progresses macroscopically. The adhesive wear failure process can be summarized as ( Ref 15 , 16 ) ( Fig. 1 ): Formation of adhesive microjunctions Deformation of contacting asperities Removal of protective oxide...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
... wear solid-particle erosion wear surface treatment tribological parameters wear map WHEN THE SURFACES of two bodies are in contact and in relative motion, a progressive damage may start, accompanied by the loss of material from the surfaces. This may lead to the failure or loss...
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
... in the carburized case, after heat treatment. When the roller was subjected to service loads, the delayed transformation of the retained austenite to martensite caused microcracks near the case-core interface. These internal microcracks nucleated a fatigue fracture that progressed around the circumference...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001819
EISBN: 978-1-62708-180-1
... the surface area and to allow microanchorage of the bone. Developments in the field of joint prostheses are progressing rapidly. In this article, only metallic components will be considered. Tumor Resections In tumor resections, large defects are created by extensive bone and joint removals, which...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003558
EISBN: 978-1-62708-180-1
... of a component. An important example is the wear of dies and molds. Wear generally is manifested by a change in appearance and profile of a surface. Some examples illustrating these types of changes are shown in Fig. 1 . Wear results from contact between a surface and a body or substance that is moving...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006829
EISBN: 978-1-62708-295-2
... (experimental validation using flat-on-flat interface). EDX, energy-dispersive x-ray. Adapted from Ref 68 , 69 . Reprinted with permission from Elsevier According to this concept, the adhesive wear process is activated when the available di-oxygen partial pressure in the interface falls below...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
... in casting designs that emphasize progressive solidification toward a gate or riser, tapered walls, and the avoidance of hot spots. Static properties are mostly unaffected by microporosity. Microporosity is found between dendrites and, similar to macroporosity, is caused by the inability of feed metal...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006765
EISBN: 978-1-62708-295-2
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
...Abstract Abstract Engineered components fail predominantly in four major ways: fracture, corrosion, wear, and undesirable deformation (i.e., distortion). Typical fracture mechanisms feature rapid crack growth by ductile or brittle cracking; more progressive (subcritical) forms involve crack...