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shape preservation

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290067
EISBN: 978-1-62708-319-5
... with the requirements of a binder system, the historical progression of binder formulations, and the use of binder alternatives to adapt to specific applications. The importance of binder handling strength to shape preservation is emphasized. The chapter provides information on the binders used for room-temperature...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140001
EISBN: 978-1-62708-335-5
... microstructural and macrostructural tendencies. Solidification: Engineered castings are susceptible to internal and superficial defects. The complex geometries of shaped castings, fluid dynamics, and solidification mechanics combine to present unique and difficult challenges to the objective of dense...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... Abstract This chapters discusses the basic steps in the failure analysis process. It covers examination procedures, selection and preservation of fracture surfaces, macro and microfractography, metallographic analysis, mechanical testing, chemical analysis, and simulated service testing...
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
... drawing. Source: Ref 8 Fig. 16.24 Earing in deep-drawn cup In drawing, the shape is developed by drawing material into the die, and the average thickness is approximately preserved. The flange is in circumferential compression and forms wrinkles, unless the blank is thick relative...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500273
EISBN: 978-1-62708-317-1
... of the part after forming. Trimming a part after forming can induce shape changes. Sometimes, it is necessary to perform stress-relief annealing before trimming to preserve the accuracy obtained in the forming process. Fig. 13.18 Comparison of single and multistage forming with respect to the accuracy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... of samples Preliminary examination of the failed part (visual examination and record keeping) Nondestructive testing (NDT) Mechanical testing (including hardness and toughness testing) Selection, identification, preservation, and/or cleaning of critical specimens Macroscopic examination...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140175
EISBN: 978-1-62708-264-8
... shapes of the eutectic solids that form in gray and white cast irons are now discussed. Assume that the cast iron has CE values below 4.3, so that the first solid to form consists of austenite dendrites. The top row in Table 16.2 presents a simple schematic summary in the two left columns showing how...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2010
DOI: 10.31399/asm.tb.hss.t52790001
EISBN: 978-1-62708-356-0
... in the British journal The Corrosion and Preservation of Iron and Steel (Cushman and Gardner): “The tendency to rust is a characteristic inherent in the element known as iron, and will, in all probability, never be totally overcome.” As the first hundred years of what may well be called “The Stainless...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740373
EISBN: 978-1-62708-308-9
... Abstract This chapter covers the basic steps of the powder metallurgy process, including powder manufacture, powder blending, compacting, and sintering. It identifies important powder characteristics such as particle size, size distribution, particle shape, and purity. It compares and contrasts...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... sources of component failure. This is followed by a section on the stages of a failure analysis, which can proceed one after the other or occur at the same time. These stages of analysis are collection of background data, preliminary visual examination, nondestructive testing, selection and preservation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240607
EISBN: 978-1-62708-251-8
... expensive than solid-state processing. Characteristics of liquid-phase-processed discontinuous MMCs include low-cost reinforcements, such as silicon carbide particles; low-temperature-melting matrices, such as aluminum and magnesium; and near-net-shaped parts. Liquid-phase processing results in intimate...
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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
.... Secondary processes, which are used to produce the final product shape, are conducted either hot or cold. Some secondary processes, such as sheet forming, do not involve large amounts of deformation. Hot working processes are conducted at temperatures above the recrystallization temperature, which...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700177
EISBN: 978-1-62708-279-2
... to plastically deform a metal depends on its strength and ductility. Uniaxial tensile testing is used to obtain the stress-strain curve of a material. The area under the curve determines the amount of energy required to plastically deform the tensile sample up to a specified strain. The shape of the curve...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140157
EISBN: 978-1-62708-264-8
... ancient ancestors used rock materials for their tools, implements from antiquity have been preserved, and archeologists are able to use the “tool kits” of ancient peoples to characterize differences between our Homo sapiens ancestors and other ancient species, such as Neanderthal man. These tool kits...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030169
EISBN: 978-1-62708-282-2
... without copper. The range of alloys in this series is very broad. Some of the alloys are produced only as sheet products for applications such as automotive body panels; others are produced only as extrusions for use as structural shapes. Still others are produced as extrusions and sheet. At least one...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... an engineer, by simply adapting the shape of the induction coil, to ensure the desired shape of the hardened profile of the surface layer. Likewise, the engineer can surface harden only that part of the surface (local hardening) on which a certain increased level of hardness and wear resistance are desired...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230267
EISBN: 978-1-62708-298-3
... consolidation technique throughout the development of beryllium technology, and hot pressed powder is the major form of beryllium in use today. Powder metallurgy beryllium has been further processed by a number of conventional forming methods to produce a wide variety of shapes and to alter the directional...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310155
EISBN: 978-1-62708-286-0
...-shaped vessel. The injection and the reaction cause extremely thorough mixing, which would never happen in the flat, stagnant, arc furnace bath. This mixing not only allows the CO-producing reaction to reach equilibrium, but also the mixing of the slag and metal also permits desulfurization...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270025
EISBN: 978-1-62708-301-0
... surfaces should be carefully handled and preserved. Oil and grease on the fracture surface can be removed with organic solvents. The corrosion and oxidation products often hide the true fracture surface beneath. Fine fissures on the surface of these corrosion products may sometimes mislead because they do...