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dimensional control

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290169
EISBN: 978-1-62708-319-5
... and sintering practices adopted as well as provides information on dimensional control and related concerns of sintering. Cost issues associated with sintering are finally covered. density dimensional control sintering sintering densification After shaping and first-stage binder removal...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
...Abstract Abstract Fabricated powder metallurgy (P/M) parts are evaluated and tested at several stages during manufacturing for part acceptance and process control. The various types of tests included are dimensional evaluation, density measurements, hardness testing, mechanical testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040107
EISBN: 978-1-62708-300-3
...Abstract Abstract Forging machines vary based on factors such as the rate at which energy is applied to the workpiece and the means by which it is controlled. Each type has distinct advantages and disadvantages, depending on lot size, workpiece complexity, dimensional tolerances, and the alloy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480075
EISBN: 978-1-62708-318-8
..., machinability, and dimensional and structural stability (annealing). This chapter describes the phase transformations associated with these processes, explaining how and why they occur and how they are typically controlled. It makes extensive use of phase diagrams and cooling curves to illustrate the effects...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410253
EISBN: 978-1-62708-280-8
... Discontinuities Fluorescent Dye Penetrant Inspection Brinell Hardness Measurement Microstructure Evaluation Mechanical Properties (<s> Safety-Critical Criteria) Chemical Composition Heat Treatment Dimensional Control All supplier-initiated product and process changes must...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290001
EISBN: 978-1-62708-319-5
..., distortion is calculated using size measurements at several locations, giving the standard deviation in size divided by the mean size. Dimensional control is captured by examining the same dimension but performing the measurement over repeated components. The resulting quantification is via the coefficient...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000039
EISBN: 978-1-62708-312-6
... Developments in Powder Metallurgy , Vol 8 , MPIF , 1974 , p 41 – 60 19. Myers N. , Enneti R.K. , Campbell L. , and German R. , Effects of Chemistry Variations on Dimensional Control of 316L Stainless Steel , Advances in Powder Metallurgy and Particulate Materials , ed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250077
EISBN: 978-1-62708-345-4
... Wear resistance Thermal conductivity Flame retardance Dimensional control Color Heat stability Noise reduction Oxidative stability Ultraviolet stability Lubricity Processability Fillers Fillers are added to reduce costs, improve dimensional control (stability...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040237
EISBN: 978-1-62708-300-3
..., such as chevron cracking ( Fig. 18.2 ) [ Hannan et al., 2000 ]. Fig. 18.2 Automotive axle shaft with chevrons [ Hannan et al., 2000 ] Spherical dies are sometimes used in extrusion of safety parts, because they provide more uniform grain flow around corners and improved dimensional controls on net...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700225
EISBN: 978-1-62708-279-2
... to stamping inconsistencies or even failure. High-strength steel and AHSS are less formable than mild steel, and parts made from them lack dimensional control because of the significant amount of springback that they produce after forming. The increased use of AHSS to achieve weight reduction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140021
EISBN: 978-1-62708-335-5
... of each step in the manufacturing sequence. The results are minimally variable premium strength, ductility, soundness, dimensional control, and finish. Castings of this classification are notable primarily for mechanical property performance that reflects extreme soundness, fine dendrite-arm spacing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870285
EISBN: 978-1-62708-314-0
..., chemical blowing agents are used to produce parts with solid skins and foamed cores. This process allows the fabrication of large parts with high strength-to-weight ratios and good dimensional control. Tooling costs can be lower because aluminum dies are acceptable for some part configurations...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290201
EISBN: 978-1-62708-319-5
... composition control. Source: Andren ( Ref 16 ) Fig. 10.22 Plot of carbide grain size and cobalt content, showing traces of Vickers hardness and nominal application areas Fig. 10.20 Picture of an early major use of sintered 17-4 PH stainless steel in a cellphone. Both the flip slider...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040319
EISBN: 978-1-62708-300-3
... instructions, just-in-time jobs/rush jobs, process control plan, tool life tracking, machine specifications and drawings, press stress analysis, engineering drawing management, and dimensional control plans. More sophisticated computerized information management systems will continue to emerge...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290111
EISBN: 978-1-62708-319-5
... be high, such as for die compaction, but hard tooling is required, which delays the start of production. The dimensional capability for each approach is tied to the mass variation. High-precision components require tight mass control in the forming step. Shaping process attributes Table 6.2 Shaping...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980551
EISBN: 978-1-62708-342-3
... Ultrasonic testing Homogenization Extrusion Dimensional inspection Surface control Stretching Degree of stretching Dimensional control Age-hardening Tensile testing Conductivity Fig. 8.9 Comparison of the planning content Layout of an inspection report Table 8.7 Layout...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130255
EISBN: 978-1-62708-284-6
... phase transformation steel distortion stress raisers residual stress cracking QUENCHING is one of the more important heat treating processes, because it is so closely related to dimensional control requirements and control of residual stresses. Quenching is often attributed to many distortion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060197
EISBN: 978-1-62708-261-7
..., and the use of cold treating. annealing case hardening cold treating hardening heat treating furnaces normalizing tempering transformation diagrams HEAT TREATMENT is defined as controlled heating and cooling of a solid metal or alloy by methods designed to change the microstructure to obtain...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230339
EISBN: 978-1-62708-298-3
... removal of damaged surface material by etching will decrease dimensional-tolerance control. Experience has indicated that very close tolerances can be maintained with surface removal of as much as 127 μm (0.005 in.) [ Brush Wellman 1982 ]. Etchants commonly used for chemical milling are: 2%HF-2...