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metallurgical treatments

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030167
EISBN: 978-1-62708-282-2
... Abstract This chapter discusses the factors influencing the corrosion resistance of bulk materials, namely alloying, metallurgical factors, and mechanical treatments. corrosion resistance bulk materials alloying metallurgical factors mechanical treatments THE CORROSION RESISTANCE...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030176
EISBN: 978-1-62708-282-2
... tantalum alloying additions ( Fig. 1 ), or metallurgical treatments such as postweld annealing to re-diffuse chromium back into the depleted regions. It should be noted that duplex stainless steels do not exhibit sensitization at the austenite-ferrite grain boundaries because of faster chromium diffusion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030165
EISBN: 978-1-62708-282-2
... resistance of the alloy. In addition to alloying, there are metallurgical factors, often referred to as microstructure, such as crystal form, grain size and shape, grain heterogeneity, second phases, impurity inclusions, and residual stress that can influence corrosion. In addition, mechanical treatments can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440257
EISBN: 978-1-62708-262-4
... Abstract This chapter is a compilation of terms and definitions related to heat treating. heat treatment THE MOST COMMONLY USED heat treating terms are defined and/or described below. For a complete listing of metallurgical terms, see the “Glossary of Metallurgical and Metalworking...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1999
DOI: 10.31399/asm.tb.cmp.t66770001
EISBN: 978-1-62708-337-9
... safety factor together reduce the service stresses to, say, half the failure strength of the part, but the heat treatment has induced a serious adverse metallurgical feature with a strength reduction potential of, say, 30%, there still might not be a problem ( Fig. 3 ). However, if something should go...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320001
EISBN: 978-1-62708-332-4
... integrity. casting cost drivers ENGINEERED GEOMETRY and its microstructures impact casting performance. Engineering a product’s geometry requires knowledge of the alloys’ castability and the mechanical properties achieved by controlled cooling in molds. The melting of metal and heat treatment...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130001
EISBN: 978-1-62708-284-6
... physical processes. A systematic procedure for minimizing risks involved in heat treated steel components requires a combination of metallurgical failure analysis and fitness for service with respect to safety and reliability based on risk analysis. The effects of steel heat treatment may include (Ref 1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130241
EISBN: 978-1-62708-284-6
... of nitrided steels after the carbonitriding treatment. fatigue fracture nitrided layers machine components structural flaw fatigue resistance steels THE DURABILITY of products depends strongly on surface conditions on the order of 1 μm to several millimeters, depending on the type...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900219
EISBN: 978-1-62708-350-8
... an engineer is considering the use of gaseous ferritic nitrocarburizing, he or she should consult with the heat treater or metallurgist to discuss process advantages and limitations as well as the metallurgical behavior of the part after the process treatment. Some important considerations for three important...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140061
EISBN: 978-1-62708-335-5
... Abstract The metallurgy of aluminum and its alloys offers a range of opportunities for employing heat treatments to obtain desirable combinations of mechanical and physical properties such that castings meet defined temper requirements. This chapter discusses the processes involved in solution...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... Abstract Induction heating, in most applications, is used to selectively heat only a portion of the workpiece that requires treatment. This chapter covers the basic principles, features, and metallurgical aspects of induction heating. The discussion includes the conditions required...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440009
EISBN: 978-1-62708-262-4
... Abstract Steel is an important material because of its tremendous flexibility in metal working and heat treating to produce a variety of mechanical, physical, and chemical properties. The purpose of this chapter is to present the metallurgical principles of heat treatment of steel...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.tb.ahsssta.t53700023
EISBN: 978-1-62708-279-2
... Abstract This chapter discusses the compositions, metallurgical phases, microstructure, heat treatment, grades, and structure-property relationships of steels. In addition, it describes the mechanisms involved in deformation, strengthening, and annealing of steels. chemical composition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900001
EISBN: 978-1-62708-350-8
... furnace system Abstract This chapter discusses the metallurgical considerations and process requirements of nitriding. It presents the pioneering work of Adolph Machlet and Adolph Fry and presents early developments. One such development is the Floe process, a two-stage treatment used to reduce...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900023
EISBN: 978-1-62708-350-8
... Fig. 1 Simple schematic arrangement of an ammonia gas nitriding system. A, bulk storage tank; B, gas nitriding furnace; C, gas dissociation test station; D, exhaust to atmosphere. Source: Pye Metallurgical Consulting Inc. Fig. 2 Schematic of interstitial diffusion during...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860133
EISBN: 978-1-62708-348-5
... properties discussed. Discussions are also included on the effects of temperature, magnetic field, and metallurgical variations caused by composition, processing, and heat-treatment differences. Numerous graphs illustrate the qualitative and quantitative effects of these variables. Measurement methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220281
EISBN: 978-1-62708-341-6
... Abstract Induction heating has found widespread use as a method to raise the temperature of a metal prior to forming or joining, or to change its metallurgical structure. However, induction heating has specialized capabilities that make it suitable for applications outside of metal treatment...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870375
EISBN: 978-1-62708-344-7
... Common Heat Treatments Plastic Deformation as a Metallurgical Tool Annealing to Relieve Undesirable Effects of Working Quenching as the Starting Point in Heat Treatment Equilibrium Phase Diagram Heat Treatment as a Metallurgical Tool Generation of Multiple Dislocations Screw...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820013
EISBN: 978-1-62708-339-3
... Abstract Carbon and low-alloy steels are the most frequently welded metallic materials, and much of the welding metallurgy research has focused on this class of materials. Key metallurgical factors of interest include an understanding of the solidification of welds, microstructure of the weld...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200295
EISBN: 978-1-62708-354-6
... Abstract Nickel-base castings are produced from a group of alloys with compositions that are typically greater than 50% Ni and less than 10% iron. This chapter presents the casting compositions of nickel-base alloys. It then provides an overview of heat treatment, mechanical properties...