Effect of Trace Addition of Sn on the Precipitation Hardening in Al-Si-Cu Eutectic Alloy

Aluminum-lithium alloys have a low density and high strength to weight ratio. They are being developed for the aerospace industry.The high strength of Al-Li can be attributed to precipitation hardening. Unfortunately when aged, Al-Li aquires a low ductility and fracture toughness. The precipitate in Al-Li is part of a sequence SSSS → Al3Li → AlLi A description of the phases may be found in reference 1 . This paper is primarily concerned with the Al3Li phase. The addition of Zr to Al-Li is being explored to find the optimum in properties. Zirconium improves fracture toughness and inhibits recrystallization. This study is a comparision between two Al-Li-Zr alloys differing in Zr concentration.Al-2.99Li-0.17Zr(alloy A) and Al-2.99Li-0.67Zr (alloy B) were solutionized for one hour at 500oc followed by a water quench. The specimens were then aged at 150°C for 16 or 40 hours. The foils were punched into 3mm discs. The specimens were electropolished with a 1/3 nitric acid 2/3 methanol solution. The transmission electron microscopy was conducted on the JEM 200CX microscope.

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Effects of neutron irradiation on the stress- rupture properties of high-temperature precipitation hardening alloys

10.2514/6.1964-364 ◽

1964 ◽

Author(s):

F. KINGSBURY

Keyword(s):

High Temperature ◽

Neutron Irradiation ◽

Precipitation Hardening ◽

Stress Rupture ◽

Stress Rupture Properties ◽

Rupture Properties

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Out-of-pile chemical compatibility of Pb–Bi eutectic alloy with Graphite

Zeitschrift für Metallkunde ◽

10.3139/146.101311 ◽

2006 ◽

Vol 97 (6) ◽

pp. 834-837

Author(s):

A. K. Sengupta ◽

R. K. Bhagat ◽

A. Laik ◽

G. B. Kale ◽

T. Jarvis ◽

...

Keyword(s):

Eutectic Alloy ◽

Chemical Compatibility

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INDALLOY 136

Alloy Digest ◽

10.31399/asm.ad.bi0024 ◽

1981 ◽

Vol 30 (5) ◽

Keyword(s):

Physical Properties ◽

Tensile Properties ◽

Melting Temperature ◽

Eutectic Alloy ◽

Heat Treating

Abstract INDALLOY 136 is a bismuth-base, eutectic alloy that melts at 136 F (57.8 C). It is used widely in industry because of its low melting temperature and controlled-shrinkage characteristics. It provides the scientist, engineer and technician with an easily castable material that is ready for use soon after it freezes. The alloy can be recovered easily and recycled into new uses any number of times. Among its uses are anchoring parts for machining, proof casting and low-melting solder. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on casting, heat treating, and machining. Filing Code: Bi-24. Producer or source: Indium Corporation of America.

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INDALLOY 255

Alloy Digest ◽

10.31399/asm.ad.bi0018 ◽

1980 ◽

Vol 29 (7) ◽

Keyword(s):

Physical Properties ◽

Tensile Properties ◽

Eutectic Alloy ◽

Heat Treating ◽

Dental Models ◽

Scientists And Engineers

Abstract INDALLOY No. 255 is a fusible alloy that melts at 255 F. This low-melting eutectic alloy provides scientists and engineers with an easily castable material that is ready for use as soon as it freezes. It can be recovered easily and recycled into new uses any number of times. Among its many applications are proof-casting, liquid seals for heat-treating furnaces, non-shrinking patterns and dental models. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on casting, forming, heat treating, and machining. Filing Code: Bi-18. Producer or source: Indium Corporation of America.

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CERROTRU Alloy

Alloy Digest ◽

10.31399/asm.ad.bi0015 ◽

1979 ◽

Vol 28 (12) ◽

Keyword(s):

Melting Point ◽

Liquid Metal ◽

Physical Properties ◽

Tensile Properties ◽

Eutectic Alloy ◽

Heat Treating ◽

Tube Bending ◽

Metal Products

Abstract CERROTRU Alloy is a bismuth-base eutectic alloy that melts at 281 F (138 C). It has the highest melting point of the bismuth-base alloys commonly used in industry. It provides production engineers with an easily castable material that is ready for use soon after it freezes. The alloy can be recovered easily and recycled into new uses any number of times. Cerrotru alloy has many uses including anchoring, molds for plastics, filler for tube bending and liquid metal in heat treating. This datasheet provides information on composition, physical properties, hardness, and tensile properties. It also includes information on casting, heat treating, and machining. Filing Code: Bi-15. Producer or source: Cerro Metal Products.

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