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solute-lean beta alloys

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480075
EISBN: 978-1-62708-318-8
... phases have a body-centered cubic structure, and the β′ phase is the solute-lean phase. The β′ precipitates are very fine and can only be detected by thin foil electron microscopy. Commercial Ti-15V-3Cr-3Sn-3Al alloy forms β′ upon aging at 315 °C (600 °F) for 10 h from a starting structure of 100...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480141
EISBN: 978-1-62708-318-8
... high in the alpha-beta field so that the beta phase is lean in solute, α′ forms on quenching rather than metastable beta. This can be seen in Fig. 7.2 . If an alloy of composition A is heated to temperature T 1 , the amount of beta stabilizer in the beta phase is composition B; on quenching...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610209
EISBN: 978-1-62708-303-4
..., depending on the alloy class (solute rich or solute lean), the following microstructural parameters are important in determining fatigue life: beta grain size, degree of age hardening, and precipitate-free regions in the solute-rich alloys such as Beta C. In addition, grain-boundary alpha, primary alpha...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2012
DOI: 10.31399/asm.tb.lmub.t53550223
EISBN: 978-1-62708-307-2
... that contains much more alpha than beta is often called a near-alpha alloy. The names superalpha and lean-beta alpha are also used for this type of alpha-beta alloy. While these classifications are useful, many of them are actually very close to each other in the total amount of beta stabilizer present...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
... the microstructure, the higher the creep strength. Many alpha alloys contain small amounts (1 to 2%) of beta stabilizers and are more accurately called alpha-beta-lean alloys. For simplicity, here they are classified as alpha alloys. Aluminum, tin, and zirconium enhance the creep strength of the alpha phase...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090271
EISBN: 978-1-62708-266-2
... or β solution treated and aged (STA) to boost strength levels. Beta alloys, produced by adequate β-stabilizing element additions, are characterized by their ability to retain 100% β phase after rapid cooling to room temperature from temperatures above the β transus. Most commercial β titanium alloys...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480265
EISBN: 978-1-62708-318-8
... elements Susceptibility to stress corrosion The most important precaution in welding titanium and its alloys is to avoid the embrittling effects of contamination by carbon, oxygen, nitrogen, and hydrogen from air, oil, and other foreign matter. These elements form interstitial-type solid solutions...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240527
EISBN: 978-1-62708-251-8
...-rich or solute-lean alloys, depending on their alloy content. The more highly stabilized solute-rich alloys include Beta C (Ti-3Al-8V-6Cr-4Mo-4Zr) and Ti-15-3 (Ti-15V-3Cr-3Al-3Sn), while the solute-lean alloys, sometimes referred to as beta-rich alpha-beta alloys, include the important forging alloy Ti...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120095
EISBN: 978-1-62708-269-3
.... A number of titanium alloys (see Table 2.2 ) contain more than this minimum amount of beta stabilizer alloy addition. The more highly beta-stabilized alloys are alloys such as Ti-3Al-8V-6Cr-4Mo-4Zr (Beta C) and Ti-15V-3Cr-3Al-3Sn. Solute-lean beta alloys are sometimes classified as beta-rich alpha-beta...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120055
EISBN: 978-1-62708-269-3
... that are lean in beta, such as Ti-6Al-4V, can be air cooled from the annealing temperature without impairing their stability. Furnace (slow) cooling, however, may promote formation of Ti 3 Al, a reaction that can degrade resistance to stress corrosion. To obtain maximum stability in the near-alpha alloys Ti...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.9781627082693
EISBN: 978-1-62708-269-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480161
EISBN: 978-1-62708-318-8
... alloys have been used in casting, from the rich, high-strength beta and near-beta alloys, to high-temperature near-alpha alloys, to corrosion-resistant lean alloys, to commercially pure titanium, and the relatively brittle titanium aluminides. Most cast components are made of commercially pure (CP...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480353
EISBN: 978-1-62708-318-8
... Titanium plug implanted into a human cheek bone into which is screwed an artificial tooth. The rough surface promotes bone adhesion to the titanium screw. Braces used for orthodontic repositioning of teeth are made of several types of titanium alloy wire. Beta-titanium alloy Ti-3Al-8V-6Cr-4Zr-4Mo...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.9781627082600
EISBN: 978-1-62708-260-0
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870537
EISBN: 978-1-62708-314-0
... for discontinuously reinforced MMCs but almost no current applications for continuously reinforced MMCs. In an MMC, the matrix phase is a monolithic alloy, usually a low-density nonferrous alloy, and the reinforcement consists of high-performance carbon, metallic, or ceramic additions. Metal matrix composites can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.lmcs.t66560005
EISBN: 978-1-62708-291-4
..., untwinned martensite, slipped martensite, plain martensite, low-carbon martensite, acicular low-carbon martensite, carbon-lean martensite, needle-like martensite , etc. Plate martensite forms as isolated (ideally) lenticular crystals in a wide range of sizes and with a substructure predominantly...