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Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220241
EISBN: 978-1-62708-341-6
... Abstract To a large extent, the induction coil and its coupling to the workpiece determine the precise heating pattern that is developed. However, it is often desirable to modify this pattern in order to produce a special heating distribution or to increase energy efficiency. At other times...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870009
EISBN: 978-1-62708-344-7
... to construct double-amplitude stress-strain curves that account for complex straining histories. For special cases, those involving complex materials such as gray cast iron or highly complex straining patterns, the chapter presents other methods of analysis, including the rainflow cycle counting method...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200078
EISBN: 978-1-62708-354-6
... requirements, if any In-process inspection, if required Final machining approval, if required Special tests, if required If patterns are to be constructed by the foundry, the following additional information should be provided: Pattern price Description of pattern to be supplied...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860035
EISBN: 978-1-62708-338-6
... sections (aeromasts, airfoils, box sections, and fuselage sections), curved-axis parts (elbows, ducts), and special applications (tees). Basic winding concepts, such as band pattern, are discussed and explained, and some simple predictive formulae are introduced. The chapter also provides examples...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200173
EISBN: 978-1-62708-354-6
... Abstract This chapter discusses the following conventional molding processes for static casting: green sand molding, dry sand molding, vacuum molding, and expendable pattern casting. It also discusses core and mold processes for steel castings. The chapter provides an overview of sand molds...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200140
EISBN: 978-1-62708-354-6
... in the design of the pattern equipment and rigging. Notes that are qualitative rather than quantitative should not be on the drawing. Such notes as “the casting should be free from fins, cracks, sand, etc.” are vague. Visual examination can be specified by the use of ASTM standard A802. Finally, special...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200001
EISBN: 978-1-62708-354-6
..., chemistry, volume, etc., a single foundry cannot serve all of the market and each company will tend to specialize in a portion of the total market. Some of the specialized areas are: railroad, construction equipment, truck and mining industries. high alloy stainless steel used in corrosion and heat...
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Published: 30 November 2013
Fig. 36 Characteristic X-shaped crack pattern in a grade 1045 steel crankshaft after testing in reversed torsional fatigue in a special machine, not in an engine. In this case, the original crack was in the transverse shear plane, not in the longitudinal shear plane as in Fig. 35 . More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320011
EISBN: 978-1-62708-332-4
.... The special flasks for vacuum applications require higher capital costs upfront. Figure 3.12 ( Ref 2 ) is a schematic of the V process. Fig. 3.12 Schematic of the V process. Source: Ref 2 A brief description of the process follows. View 1 shows the wooden pattern mounted on a hollow pattern...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200115
EISBN: 978-1-62708-354-6
... and increase the distance that risers will feed. In silica sand molds, chromite and zircon sands are commonly used as sand chills. Sand chills are placed on specific areas of the pattern and rammed into place. Metal chills can be specially shaped to conform to the surface of the casting. Metal chills can...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280079
EISBN: 978-1-62708-267-9
...). The disposable pattern is typically removed by steam, leaving a hollow cavity inside the ceramic shell into which molten metal can be poured. Molten superalloy metal is poured into the mold and allowed to solidify under various practices. When no special heat control or other metal solidification control...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220185
EISBN: 978-1-62708-341-6
... not exceed twice its diameter. Figures 8.7(c) and 8.7(d) show special coil designs for heating internal bores. The coil in Fig. 8.7(d) would normally produce a pattern of four vertical bands, and therefore the part should be rotated for uniformity of heating. Internal coils, of necessity, utilize...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200164
EISBN: 978-1-62708-354-6
.... Special glues and coatings are now available for the construction of foam patterns. The primary advantage of styrofoam patterns is the reduced cost compared to wood pattern equipment. Fabrication time is less and frequently cores may be eliminated, although core boxes are occasionally necessary. When...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740047
EISBN: 978-1-62708-308-9
... with patternmaking. A pattern is a specially made model of the part to be produced, used for producing molds. Generally, sand is placed around the pattern, and, in the case of clay-bonded sand, rammed to the desired hardness. When chemical binders are used, the mold is chemically hardened after a light manual...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050057
EISBN: 978-1-62708-311-9
... geometries for basic as well as special purpose applications. coil design induction coils THE COIL, also known as inductor or induction work coil, is basically a transformer primary that induces high-frequency output of an induction power supply into a workpiece, which is effectively...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.mgppis.t60400149
EISBN: 978-1-62708-258-7
... Abstract Several specialized instruments are available for the metallographer to use as tools to gather key information on the characteristics of the microstructure being analyzed. These include microscopes that use electrons as a source of illumination instead of light and x-ray diffraction...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220001
EISBN: 978-1-62708-341-6
... currents dissipate energy and bring about heating. The basic components of an induction heating system are an induction coil, an alternating-current (ac) power supply, and the workpiece itself. The coil, which may take different shapes depending on the required heating pattern, is connected to the power...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.sch6.9781627083546
EISBN: 978-1-62708-354-6
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140165
EISBN: 978-1-62708-264-8
... having interdendritic sheets aligned at various angles to those shown in “C.” Figure 15.4 illustrates the variation of the dendrite orientation between neighboring grains in an as-cast steel. (As explained subsequently, a special etchant causes original austenite regions to appear black.) Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870265
EISBN: 978-1-62708-299-0
... temper in another alloy. Basic Temper Designations F, As-Fabricated This is applied to products shaped by cold working, hot working, or casting processes in which no special control over thermal conditions or strain hardening is employed. For wrought products, there are no mechanical property...