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tool failure

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130311
EISBN: 978-1-62708-284-6
... Abstract This chapter focuses on the failure aspects of tool steels. The discussion covers the classification, chemical composition, main characteristics, and several failures of tool steels and their relation to heat treatment. The tool steels covered are hot work, cold work, plastic mold...
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Published: 01 January 1998
Fig. 13-21 Stress versus cycles to failure of H11 tool steel subjected to cantilever bend specimen fatigue testing, (a) Tempered at 500 °C (930 °F), peak hardness, (b) Tempered at 600 °C (1112 °F), overaged. Source: Ref 15 More
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Published: 01 September 2008
Fig. 17 Examples of failures in an 8%Cr-0.8%C tool steel, caused by an incorrect heat treating procedure. (a) Punches and (b) their microstructures. (c) Cutting blade and (d) the microstructure observed in its failure analysis. The primary cause of failure is low-temperature tempering and high More
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Published: 01 September 2008
Fig. 30 Examples of failures caused by excessive hardness. (a) Tool made of DIN 1.2714 tool steel (similar composition to AISI 6F3 and L6) that fractured after a short life. For this tool, the hardness was expected to be approximately 40 HRC, but a sample was analyzed and found to be 50 HRC More
Image
Published: 01 September 2008
Fig. 34 Die failure caused by excessive hardening temperature. Two tools were analyzed: one made of VHSUPER steel (commercial brand name) and the other of AISI H13. (a) One of the tools cracked in the position denoted by the arrow, where a sample was cut for analysis. (b) Typical More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110062
EISBN: 978-1-62708-247-1
... made X-ray inspection systems a critical non-destructive imaging and analysis tool in the failure analysis laboratories. X-Ray Equipment Most of the commercial X-ray equipment are projection type systems that place the sample in the X-ray beam emitted from micro-focus or nano-focus sources...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270152
EISBN: 978-1-62708-301-0
... Abstract This chapter discusses the failure of an aileron control cable in an aircraft and explains how investigators determined the cause. Based on their observations and the results of SEM fractography, investigators concluded that the cable had been damaged by a shearing tool, leading to its...
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Published: 01 September 2008
in high-carbon grades such as cold work steels, leading to tool failure. Source: Ref 1 More
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Published: 01 September 2008
. (b) Tool failure due to the same reason, where the 3.2 mm (⅛ in.) holes were produced by wire-EDM. (c) The effect of EDM on surface microstructures and approximate hardness of the tool shown in (b) are presented. Etched with 3% nital. Central image in lower magnification; all other images in the same More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110506
EISBN: 978-1-62708-247-1
..., manufacturing, and test process. This article discusses five key disciplines of the signature analysis process that need to be orchestrated within the organization: design for test practices, test floor data collection methodology, post-test data analysis tools, root cause theorization, and physical failure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500317
EISBN: 978-1-62708-317-1
... Abstract This chapter discusses the types of failures that can occur in sheet metal forming tools and explains how to mitigate their effects. It describes the factors that influence galling and wear and the benefits of special treatments and coatings. It provides information on through...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900325
EISBN: 978-1-62708-358-4
... Abstract This chapter presents an overview of some of the major causes of tool and die failures. The chapter describes fracture and fracture toughness of tool steels, and the influence of factors such as steel quality and primary processing, mechanical design, heat treatment, grinding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2023
DOI: 10.31399/asm.tb.edfatr.t56090131
EISBN: 978-1-62708-462-8
... but also their larger X-Y footprint. The success of the failure analysis of advanced packaging is dependent on the robustness of the set of tools employed. Our industry demands that defects can be isolated swiftly and precisely. Tools must be able to process large amounts of data quickly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110101
EISBN: 978-1-62708-247-1
... to the basic diagnosis tools, discussing their merits for the failure analysis engineer. The article also describes the various requirements and other considerations that typically need to be taken into account to set up a full working scan diagnosis system. It summarizes the principles of design with embedded...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110262
EISBN: 978-1-62708-247-1
... Abstract Over the revolutionary era of semiconductor technology, Computer-Aided Design Navigation (CADNav) tools have played an increasingly critical role in silicon debug and failure analysis (FA) in efforts to improve manufacturing yield while reducing time-to-market for integrated circuit...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110673
EISBN: 978-1-62708-247-1
..., understood the mask levels, knew how to test the part, knew the packaging process, and understood the customer’s requirements (from regular visits and/or telephone conversations). Quite often, failure analysis could be accomplished with a curve tracer, some package decapsulation tools and techniques...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270053
EISBN: 978-1-62708-301-0
... exhibited two distinct fracture features. Many of the strands had uniformly necked down as in a classical tensile failure, but others showed evidence of cut by a shearing tool. A criminal act was suspected. Further investigations revealed that a disgruntled worker had sabotaged the operation by hacking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110132
EISBN: 978-1-62708-247-1
... during the past ten years. EOTPR is a time-domain reflectometry tool and is very effective for most failures. There are a few challenges remaining to be resolved, which include long and branched circuits with short failure. The third part of this paper introduces a new method which combines impulse...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780189
EISBN: 978-1-62708-268-6
... and assignment matrices Evaluating potential failure causes using pedigree analysis, change analysis, dimensional conformance and materials assessment tools, and analysis of variance and Taguchi test techniques Selecting and implementing appropriate corrective actions At the conclusion of a systems...
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Published: 01 September 2008
), leading to 300 J of unnotched (NADCA) impact strength. Nevertheless, an unexpected failure occurred (after less than 100 shots), caused primarily by improper tool use but also assisted by the nitriding layer condition. More