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chemical blanking

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Book Chapter

By Soumya Subramonian
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500001
EISBN: 978-1-62708-317-1
... Abstract This chapter provides an overview of the blanking process and the forces and stresses involved. It discusses the factors that affect part quality and tool life, including punch and die geometry, stagger, clearance, and wear as well as punch velocities, misalignment, and snap-thru...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740163
EISBN: 978-1-62708-308-9
... Abstract This chapter describes sheet metal forming operations, including cutting, blanking, piercing, and bending as well as deep drawing, spinning, press-brake and stretch forming, fluid forming, and drop hammer and electromagnetic forming. It also discusses the selection and use of die...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480243
EISBN: 978-1-62708-318-8
..., sawing, and nibbling are preferred. Methods of blank cutting, shaping, and edge preparation are discussed in Chapter 13, “Machining and Chemical Shaping of Titanium,” in this book. Layout procedures and cutting sequences should be planned so that the raw stock is used efficiently. Shear cracks...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740213
EISBN: 978-1-62708-308-9
.... Nontraditional Machining Processes Nontraditional machining processes include processes such as electrical discharge machining (EDM), electrochemical machining (ECM), ultrasonic machining (USM), and chemical milling (CM). In these operations, material is removed by a variety of physical mechanisms ( Table 1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500133
EISBN: 978-1-62708-317-1
... in 2007 ( Ref 7.5 ). There are two different methods of hot stamping: direct and indirect. Direct Method In the direct method ( Fig. 7.2 ), the blanks are austenitized at temperatures between 900 and 950 °C (1650 and 1740 °F) for 4 to 10 min inside a continuous-feed furnace and subsequently...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400089
EISBN: 978-1-62708-316-4
... stamping, deep drawing, ironing, and blanking operations. blanking friction lubricants stamping tribological test FRICTION AND LUBRICATION in sheet metal forming are influenced by such parameters as material properties, surface finish, temperature, sliding velocity, contact pressure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230295
EISBN: 978-1-62708-298-3
..., the beryllium ores are chemically processed into beryllium hydroxide, which is then converted into beryllium fluoride. The fluoride is then made to react with magnesium in a high-temperature furnace, forming beryllium fluoride and beryllium “pebbles” (roughly spherical nodules) of 1 to 2 cm (0.4 to 0.8...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550193
EISBN: 978-1-62708-307-2
... atmosphere. Adequate ventilation must be provided if parts are processed by chemical etching after forming. Deep Drawing Lubrication is required to prevent galling between the beryllium workpiece and the die. A lubricant film must be maintained over that portion of the blank surface making contact...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700127
EISBN: 978-1-62708-279-2
... of martensitic steels. chemical composition microstructure deformation mechanical properties hot forming tempering martensitic steels MARTENSITIC (MS) STEELS are produced by quenching carbon steel from the austenite phase into martensite. Martensite is formed when rapid cooling of austenite...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500107
EISBN: 978-1-62708-317-1
... with deformation processes such as stretching, bending, flanging, deep drawing, and blanking. It then describes the complex tribology of AHSS forming operations, the role of lubrication, the effect of tool steels and coatings, and the force and energy requirements of various forming presses. It also discusses...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400233
EISBN: 978-1-62708-316-4
... without striking the bottom of the die. Metal contact is made at only three points in the cross section: the nose of the male die and the two edges of a V-shaped die opening. air cushion An air-actuated die cushion. air draw A draw operation performed in a single-action press with the blank holder...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.9781627083164
EISBN: 978-1-62708-316-4
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500083
EISBN: 978-1-62708-317-1
... heat transfer, die heating techniques, and press systems. It also discusses the effect of forming temperature, punch velocity, blank size, and other parameters on deep drawing processes, making use of both experimental and simulated data. aluminum alloys deep drawing die heating formability...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480225
EISBN: 978-1-62708-318-8
... is generally controlled by the beta transus for the individual alloy, not by a problem with hot shortness, as there is with alloys forged closer to their T m . Rather, the problem lies in strain hardening and surface cracking at lower temperatures. Alloy chemical composition plays an important part...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700071
EISBN: 978-1-62708-279-2
... the limiting dome height of samples, the FLD test uses similar but gridded samples for measuring major and minor strains of deformed grids. The grids are imprinted on the surface of the sheet metal using chemical or photo etching. Plastic deformation during punch forming causes the etched circles to deform...
Book Chapter

By Eren Billur
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smff.t53400181
EISBN: 978-1-62708-316-4
.... The chapter goes on to describe the load, energy, and time-dependent characteristics of hydraulic presses and the factors that determine accuracy. It also explains how hydraulic presses are used for deep drawing, fine blanking, and hydroforming as well as warm forming and hot stamping operations...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170573
EISBN: 978-1-62708-297-6
... Containing Tungsten Carbide, Titanium Carbide, and Cobalt The WC-Co alloys, developed in the early 1920s, were successful in the machining of cast iron and nonferrous alloys at much higher speeds than were possible with high-speed steel tools, but were subject to chemical attack or diffusion wear when...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270177
EISBN: 978-1-62708-301-0
... Abstract A driven gear in the gear box of an aircraft engine fractured after a 40 h test run. The driving gear and gear shaft were also damaged. Based on the results of fractography, chemical analysis, metallography, and hardness testing, the fracture was caused by a fatigue crack initiating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870183
EISBN: 978-1-62708-314-0
... ovens, heated platen presses, or autoclaves. Since time for chemical reactions is not requisite, the time required to reach consolidation temperature is a function of the heating method and the mass of the tooling. The consolidation temperature depends on the specific thermoplastic resin, but it should...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500317
EISBN: 978-1-62708-317-1
... hardening, case (surface) hardening, and nitriding as well as hard chrome plating, vapor deposition, and thermal diffusion coating. It explains how to measure wear resistance using various tests and provides guidelines for selecting tool materials, treatments, and coatings. chemical vapor deposition...