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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
.... dies failure grinding handling heat treatment machining material selection mechanical design tool failure tool steel grade ...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003976
EISBN: 978-1-62708-185-6
.... Technol. , Vol 1 ( No. 10 ), Oct 1974 , p 449 10.1179/030716974803287799 46. Okell R.E. and Wolstencroft F. , Suggested Mechanism of Hot Forging Die Failure , Met. Form. , Vol 35 ( No. 2 ), Feb 1968 , p 41 47. Thomas A. , Cracking of Forging Dies...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005121
EISBN: 978-1-62708-186-3
... selection for drawing. It explains the types of dies used for drawing sheet metal and the effects of process variables and material variables on deep drawing. The process variables that affect the success or failure of a deep-drawing operation include the punch and die radii, punch-to-die clearance, press...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005219
EISBN: 978-1-62708-187-0
... Abstract This article suggests procedures to increase the availability and function of patterns and tooling. It discusses the common expected failure mechanisms, such as erosion and fatigue, for dies and patterns. A successful maintenance program requires good record keeping for each tool...
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
...-overload fractures, impact fractures, microstructure, quench cracking, brittle-in-service failure, hydrogen embrittlement, stress-corrosion cracking, and grain-boundary cracking of tool steel components. These components include diesel engine injector plungers, rivet-heading tools, circular saw blades...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003987
EISBN: 978-1-62708-185-6
... are established mainly by the unit loads that the coining dies will withstand in compression before deforming. Deformation of the dies results in dimensions that are out of tolerance in the workpiece as well as premature die failure. In coining, deformation of the work metal is accomplished largely...
Book Chapter

Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004012
EISBN: 978-1-62708-185-6
... threads. Rolling imposes severe stress on the dies from pressure and bending and sliding action. Dies usually fail by spalling and crumbling of the thread crests, which roughen the minor diameter of the product thread and cause the screw thread to go out of tolerance. Failure is usually caused...
Book Chapter

Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002142
EISBN: 978-1-62708-188-7
.... Rolling imposes severe stress on the dies from pressure and bending and sliding action. Dies usually fail by spalling and crumbling of the thread crests, which roughens the minor diameter of the product thread and causes the screw thread to go out of tolerance. Failure is probably caused by fatigue from...
Book Chapter

Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005128
EISBN: 978-1-62708-186-3
... die stages and intermediately for single-stage die forming. Parts should be cleaned prior to annealing to protect the finish. Care should be taken to remove all traces of zinc that may be picked up from kirksite forming dies, because failure to remove the zinc will result in penetration of the steel...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003979
EISBN: 978-1-62708-185-6
... to 315 °C (400 to 600 °F), before forging begins. Dies are sometimes heated in ovens before being placed in the hammer or press. Temperature-indicating crayons can be used to measure surface temperature. Failure to warm the dies is likely to result in die breakage. The trimming method used...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005318
EISBN: 978-1-62708-187-0
... considerations, including properties of the material being cast, capacity and operating parameters of the casting machines being used, and economics of post processing that are considered along with the functional requirements. die casting tooling materials selection failure modes wear die casting dies...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.9781627081856
EISBN: 978-1-62708-185-6
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009005
EISBN: 978-1-62708-185-6
... patterns in cylindrical billets upset between flat, parallel dies. Source: Ref 2 , Ref 62 , Ref 63 Fig. 10 Typical forgeability behaviors exhibited by different alloy systems. Source: Ref 2 Fig. 11 Chart illustrating interaction of workability, flow strength, and die-filling...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004037
EISBN: 978-1-62708-185-6
... of the forged workpiece. The “parting line” (symbol ) is the projected line around the periphery of a forging that is defined by the adjacent and mating faces of the forging dies when the dies are closed. Thus, the concept of parting line is applicable only to forgings produced in closed or impression dies...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.9781627081979
EISBN: 978-1-62708-197-9
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004000
EISBN: 978-1-62708-185-6
... without risk of die failure will be fewer. The surface finish requirements for titanium alloy dies are more stringent than those for alloy steels because of the generally poorer flow characteristics of titanium alloys. The common elements in the manufacture of any conventional...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005974
EISBN: 978-1-62708-168-9
..., IL), 30 Sept to 2 Oct 1987 14. Mesquita R.A. and Barbosa C.A. , Failure Analysis in Tool Steels , Failure Analysis of Heat Treated Steel Components , ASM International , 2008 , p. 311 – 350 15. Howes M.A.H. , Heat Checking in Die Casting Dies , Die Cast...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003998
EISBN: 978-1-62708-185-6
... of temperature and rate on flow stress of various alloys. (e) Effect of temperature on failure strain (ε f ) for a variety of alloys. Source for (a), (b), (d), and (e): Ref 10 Fig. 4 Forging pressures required for the upsetting of magnesium alloy billets between flat dies. (a) Alloy AZ80A; strain...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005129
EISBN: 978-1-62708-186-3
... Failure in Formability Testing of Aluminum Tailor Welded Blanks , SAE Trans.: J. Mater. Manuf. , Vol 110 , 2001 , p 101 – 110 • Wang H. , Martin P. , Clarke J.A. , Altshuller B. , Finn M.J. , and Feng F. , Aspects of Weld Metallurgical Characteristics and Fracture...