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aluminum alloys

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Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310351
EISBN: 978-1-62708-326-3
... of the common nonferrous alloys that can be hardened through heat treatment. The nonferrous alloys covered include aluminum alloys, cobalt alloys, copper alloys, magnesium alloys, nickel alloys, and titanium alloys. age hardening aluminum alloys cobalt alloys copper alloys heat treatment...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310001
EISBN: 978-1-62708-326-3
... polishing of pure tin can cause twinning and recrystallization ( Fig. 14 ). The inherent grain size of a metals or alloy is determined by manufacturing process such as casting or metalworking. During steelmaking, for example, grain size is established during the deoxidation of the molten metal. Aluminum...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310095
EISBN: 978-1-62708-326-3
... required for aluminum, boron, chromium, cobalt, niobium, molybdenum, nickel, titanium, tungsten, vanadium, zirconium, or any other element added to obtain a desired alloying effect. The specified minimum for copper does not exceed 0.40%. The maximum specified content does not exceed the following...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310203
EISBN: 978-1-62708-326-3
... the steel. As a recap from Chapter 5 , carbon steels are defined as steels where: No minimum content is specified or required for aluminum, boron, chromium, cobalt, columbium, molybdenum, nickel, titanium, tungsten, vanadium, zirconium, or any other...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310079
EISBN: 978-1-62708-326-3
.... Boron can considerably improve hardenability, though the effect varies notably with the carbon content of the steel. The full effect of boron on hardenability is obtained only in fully deoxidized (aluminum-killed) steels. The effects of boron on hardenability are unique in several respects: A very...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310285
EISBN: 978-1-62708-326-3
... dies are used at lower hardnesses, typically approximately 40 to 60 HRC. Some examples are molds for glass and plastic parts; dies for aluminum casting; extrusion, wire drawing, and forging dies; and bending and roll forming tools. Some molds, dies, and metalforming tools come into contact with red...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310029
EISBN: 978-1-62708-326-3
... precipitates in many steels are aluminum nitrides (AlN), which provide effective grain refinement at low temperatures in the austenite phase field during heat treatments such as normalizing and carburizing. Aluminum is added to many steels to remove oxygen from the liquid prior to casting and combines with...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310331
EISBN: 978-1-62708-326-3
... special cast irons containing both chromium and aluminum. Except for alloyed irons of this type, nitriding is not applied to ordinary gray irons. Another application is to reduce flaking problems when gray irons are used for stamping dies. Flaking problems in gray cast iron tooling also can be eliminated...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310233
EISBN: 978-1-62708-326-3
... sulfur. Except for chromium, any of them may be restricted to a very low level or to a specific range for a specific alloy. Additional elements that may be intentionally added include aluminum, copper, molybdenum, niobium, titanium, tungsten, and, in some cases, rare earth elements such as cerium...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.9781627083263
EISBN: 978-1-62708-326-3
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310055
EISBN: 978-1-62708-326-3
... after tempering or to heat treat aluminum alloys. Several factors are involved in the mechanism of quenching: Internal conditions of the workpiece that affect the diffusion of heat to the surface Surface and other external conditions that affect the removal of heat Heat-extracting...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310127
EISBN: 978-1-62708-326-3
... to be annealed, accuracy of the temperature controls, time available for the process, and end quality required. In many cases, the purpose of an annealing method is specific to a given type of alloy. For example, the types of heat treatable aluminum alloys use solution annealing (followed by...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310163
EISBN: 978-1-62708-326-3
... temperature for the specific steel being heated. The steel is then held at this temperature for complete solution of carbides and homogeneous diffusion of carbon in the austenite. Carbon steels with large carbides in the microstructure or alloy steels require either the higher austenitizing temperatures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250107
EISBN: 978-1-62708-287-7
... aluminum production process integrated by Aluminum Company of America (Alcoa) and the numerous technical problems and solutions related to Alcoa's research from World War I to World War II. The aerospace applications for aluminum alloys are also presented. The chapter concludes with a section on aluminum...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550033
EISBN: 978-1-62708-307-2
... Abstract This chapter provides basic engineering information on aluminum alloys with an emphasis on their use in applications where weight is a significant design factor. It discusses the advantages and limitations of various types of aluminum along with their compositions, designations, and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740001
EISBN: 978-1-62708-308-9
... Abstract This chapter discusses the processes, procedures, and equipment used in the production of iron, steel, aluminum, and titanium alloys. It describes the design and operation of melting and refining furnaces, including blast furnaces, basic oxygen and electric arc furnaces, vacuum...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740271
EISBN: 978-1-62708-308-9
... and discusses the effect of precipitation hardening on aluminum and other alloys. continuous cooling transformation diagrams hardenability heat treatment temper embrittlement ONE OF THE PRIMARY advantages of steels is their ability to attain high strengths through heat treatment while...
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
... aluminum alloys showed that fatigue properties in some alloys were reduced 11% when specimens having x-ray quality equivalent to ASTM E 155 level 4 were tested, and that they were reduced 17% when specimens having quality of ASTM E 155 level 8 were tested. Static properties are mostly unaffected by...
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
... somewhat less. Metals with a hexagonal closed-packed (hcp) structure have very restrictive slip systems and these metals (e.g., magnesium and titanium) must generally be formed warm or hot. Due to their fcc structure and their relatively slow rate of work hardening, aluminum alloys are highly formable...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740103
EISBN: 978-1-62708-308-9
... internal cracks and splits. If the material is moved abnormally during forging, these flaws can be formed without any evidence on the surface of the forging. Bursts can also occur. Aluminum alloys: The internal discontinuities that occur in aluminum alloy forgings are ruptures, cracks, inclusions...