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Metalworking-related failures

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060209
EISBN: 978-1-62708-355-3
... elongation and the m value is revealed in the data collected by Woodford ( Ref 18 ) shown in Fig. 16 . In addition, a number of theoretical analyses have been conducted to relate m and tensile failure strain, ε f ( Ref 19 – 21 ). For example, Ghosh ( Ref 19 ) derived: (Eq 3) ε f = − m...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630001
EISBN: 978-1-62708-270-9
... usually has a specific relation to the direction of the stress that caused the fracture to occur. How many fracture origins are there? The answer concerns the relative magnitude of the actual stress to the actual strength of the part at the locations of failure. Is there evidence of corrosion, paint...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... Abstract This appendix provides detailed information on design deficiencies, material and manufacturing defects, and service-life anomalies. It covers ingot-related defects, forging and sheet forming imperfections, casting defects, heat treating defects, and weld discontinuities. It shows how...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2021
DOI: 10.31399/asm.tb.tpsfwea.t59300391
EISBN: 978-1-62708-323-2
... Abstract This chapter covers the tribological properties of different types of oil, greases, solid lubricants, and metalworking and traction fluids. It explains how lubricants are made, how they work, and how they are applied and tested. It also discusses the fundamentals of lubrication...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770099
EISBN: 978-1-62708-337-9
... 6 With respect to heat treatment, Kukareko ( Ref 8 ), working with an 18KhNVA steel, related that an increased heating rate to 930 °C results in the formation of a metastable fine-grained structure with a tendency to rapid grain growth via grain merging during subsequent isothermal heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910497
EISBN: 978-1-62708-250-1
... · A Glossary of Corrosion-Related Terms used in Science and Indus- try, M.S. Vukasovich, Ed., SAE International, 1995 · ASM Materials Engineering Dictionary, J.R. Davis, Ed., ASM Inter- national, 1992 · Glossary of Metallurgical and Metalworking Terms, Metals Hand- book Desk Edition, 2nd ed., J.R. Davis, Ed...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.9781627082709
EISBN: 978-1-62708-270-9
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240201
EISBN: 978-1-62708-251-8
... For cylindrical test specimens, the true strain at failure, ε f , can be determined from the reduction of area, q , by: (Eq 12.17) ε f   =   ln 1 1 − q   The flow curve for many metals in the region of uniform plastic deformation can be expressed by the Holloman power curve relation...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610025
EISBN: 978-1-62708-303-4
..., are subjected to forces or loads. In order that excessive deformation or failure does not occur, it is important to know what effects these loads have on the part. The mechanical behavior of a material reflects the relationship between its response or deformation to an applied load or force. Important...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240279
EISBN: 978-1-62708-251-8
... Abstract This chapter describes the general characteristics of two commonly classified metalworking processes, namely hot working and cold working. Primary metalworking processes, such as the bulk deformation processes used to conduct the initial breakdown of cast ingots, are always conducted...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
... Abstract A systematic procedure for minimizing risks involved in heat treated steel components requires a combination of metallurgical failure analysis and fitness for service with respect to safety and reliability based on risk analysis. This chapter begins with an overview of heat treat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130133
EISBN: 978-1-62708-284-6
... Abstract This article presents six case studies of failures with steel forgings. The case studies covered are crankshaft underfill; tube bending; spade bit; trim tear; upset forging; and avoidance of flow through, lap, and crack. The case studies illustrate difficulties encountered in either...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060265
EISBN: 978-1-62708-355-3
... Abstract This chapter is a compilation of terms and definitions related to tensile testing. Selected References Selected References • Compilation of ASTM Standard Definitions , 8th ed ., ASTM , 1994 • Davis H.E. Troxell G.E. and Hauck G.F.W. , The Testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060117
EISBN: 978-1-62708-261-7
... and solidification are referred to as wrought products . These products can be shaped, finished, and assembled by using a variety of metalworking techniques, which may include methods for forming , material removal , and joining . Depending on the alloy system and the intended application for the finished...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.9781627083553
EISBN: 978-1-62708-355-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.9781627082501
EISBN: 978-1-62708-250-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060251
EISBN: 978-1-62708-355-3
... 10.1007/BF02410405 3. Grady D.E. and Benson D.A. , Fragmentation of Metal Rings by Electromagnetic Loading , Exp. Mech. , Vol 28 , 1983 , p 393 – 400 10.1007/BF02330054 4. Rajendran A.M. and Fyfe I.M. , Inertia Effects on the Ductile Failure of Thin Rings , J...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130177
EISBN: 978-1-62708-284-6
... due to service-related causes, such as misalignment, poor lubrication, and overloading, which constitute the greatest source of all gear failures, as shown in Table 2 ( Ref 7 ). Heat treatment was the second most often cited cause for failure. However, it is often difficult to detect the root cause...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220085
EISBN: 978-1-62708-341-6
... temperature, and so forth. The major applications of induction technology include through heating, surface heating (for surface heat treatment), metal melting, welding, brazing, and soldering. This chapter summarizes the selection of equipment and related design considerations for these applications...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630169
EISBN: 978-1-62708-270-9
... Abstract This chapter is a detailed account of the general characteristics and effects of and the methods for preventing or reducing different categories of wear failures, namely abrasive (erosive, grinding, and gouging), adhesive, and fretting wear. abrasive wear adhesive wear fretting...