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conventional press method

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Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004006
EISBN: 978-1-62708-185-6
... balance equation to determine the billet and container temperatures and the extrusion speed when a uniformly heated billet is used ( Ref 14 ). Extensive coverage of isothermal extrusion methods, including computer simulation and press control, is presented in Ref 3 , 9 , 10 , 12 , Ref 14 , Ref...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003157
EISBN: 978-1-62708-199-3
... by conventional internal oxidation. Mechanical properties are superior to those of the same material made by the press-sinter-repress method. Conventional blending or mechanical mixing of silver and cadmium oxide powders begins by dissolving the proper amounts of silver and cadmium metals in...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004021
EISBN: 978-1-62708-185-6
..., FEM has evolved rapidly and is making great contributions to conventional metalworking technologies. The thousand-years-old technology has quickly evolved in the last 20 years in such a way that the FEM method is now routinely and successfully used in a wide range of bulk forming applications...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005431
EISBN: 978-1-62708-196-2
... Abstract Several methods are developed for the numerical solution of partial differential equations, namely, meshed-solution methods such as the finite-element method (FEM), finite-difference method, and boundary-element method; and numerical algorithms consisting of so-called meshed-solution...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003177
EISBN: 978-1-62708-199-3
... machines used for producing parts from sheet metal. Power presses can be classified according to the following characteristics: source of power, type of frame, method of actuation of slides, and number of slides in action. Presses in any of these classes are available in a range of capacities (tonnage or...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003979
EISBN: 978-1-62708-185-6
... available in the articles “Forging of Carbon and Alloy Steels” and “Forging of Stainless Steels” in this Volume. Normal hammer-forging and press-forging practices do not include special methods for cooling the dies; their mass and the lubricant usually provide cooling and keep them within a safe...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003063
EISBN: 978-1-62708-200-6
... of the densification and fabrication methods used for monolithic advanced ceramics can be adapted for CMCs. These include cold pressing and sintering, hot pressing, reaction bonding, and hot isostatic pressing. In addition, some of the conventional methods used in polymer-matrix composites can be...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003183
EISBN: 978-1-62708-199-3
..., precision forging, and cold forging. computer-aided design die design forging processes materials selection types of hammers types of presses FORGING MACHINES fall into three categories according to their method of operation. Mechanical forging presses are classified as stroke-restricted...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003119
EISBN: 978-1-62708-199-3
... parts with a high concentration of interstitials (carbon and oxygen), low corrosion resistance, and inferior mechanical properties. Sintering at 1120 °C (2050 °F) in DA was the most widely used method for sintering stainless steels in the 1960s and 1970s. Dissociated ammonia is not only less...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003053
EISBN: 978-1-62708-200-6
.... Mechanical consolidation is an operation performed on prepared ceramic powders in order to form a shape that can be sintered. Many methods have been developed to accomplish this ( Table 1 ), including uniaxial dry pressing, cold isostatic pressing (using either wet or dry bag techniques), hot uniaxial...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003112
EISBN: 978-1-62708-199-3
... Abstract Iron powders are the most widely used powder metallurgy (P/M) material for structural parts. This article reviews low to medium density iron and low-alloy steel parts produced by the pressing and sintering technology. It explains different powder production methods, including Hoeganaes...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005293
EISBN: 978-1-62708-187-0
... research organization to develop a method of bonding Zircaloy to UO 2 fuel elements while maintaining strict dimensional control. This challenge led Dr. Russell Dayton, Henry Saller, Stan Paproki, and Edwin Hodge to invent the process originally named gas pressure bonding and documented under U.S. patent...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003988
EISBN: 978-1-62708-185-6
... preform design. These methods have included finite-element analysis and expert systems. Preform design is intimately related to the design and dimensions of the forging tooling, the type of press, and the forging process parameters. Important variables to be considered when designing the preforming...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003054
EISBN: 978-1-62708-200-6
... reaction sintering and self-propagating, high-temperature synthesis. It also describes several pressure densification methods, including hot isostatic pressing, gas pressure sintering, molten particle deposition, and sol-gel processing. The article concludes with a section on grain growth that discusses...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004005
EISBN: 978-1-62708-185-6
.... Extrusion process design has to allow for this variation. If precise shape is required, then the billets have to be coined to desired dimensions in a press. In shearing, the ends of the billet are work hardened and consequently their ductility is reduced. Another billet-cutting method is the adiabatic...
Series: ASM Handbook
Volume: 5B
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v05b.a0006025
EISBN: 978-1-62708-172-6
... Abstract The process of transferring coating materials from the container to the surface to be coated can be accomplished in a number of ways. This article describes seven methods of coating application: brushes, rollers, and daubers; conventional air spray; high-volume low-pressure spray...
Book Chapter

By Erhard Klar
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003185
EISBN: 978-1-62708-199-3
... Cost Excellent Good Poor Very good Source: Ref 7 Table 4 Application of powder processing methods Conventional die compaction Metal injection molding Hot isostatic pressing Powder forging Material Steel, stainless steel, brass, copper Steel, stainless steel...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003971
EISBN: 978-1-62708-185-6
... surface-rolling machines. The article outlines the significant characteristics of pressing-type machines: load and energy characteristics, time-related characteristics, and accuracy characteristics. It summarizes different specialized processes such as advanced roll-forming methods, equal-channel angular...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003129
EISBN: 978-1-62708-199-3
... strength, fracture toughness, fatigue life, and resistance to corrosion and stress-corrosion cracking (SCC). Another advantage of advanced P/M processing methods, including the spray deposition/forming process, is in the production of new alloys (and composites) with metallurgical structures and...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004034
EISBN: 978-1-62708-185-6
... process. (a) Conventional stainless steel forging with draft. (b) Aluminum alloy no-draft forging. Dimensions given in inches. Fig. 5 Wing spar forging with a broken parting line, illustrating the method for measuring angle of draft on web extremities when the parting line is in the forging...