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unalloyed magnesium

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Series: ASM Handbook
Volume: 13A
Publisher: ASM International
Published: 01 January 2003
DOI: 10.31399/asm.hb.v13a.a0003675
EISBN: 978-1-62708-182-5
...Abstract Abstract This article begins with a discussion on the corrosion characteristics of unalloyed magnesium and two major magnesium alloy systems. It shows the effects of iron and 13 other elements on the saltwater corrosion performance of magnesium in binary alloys with increasing levels...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003108
EISBN: 978-1-62708-199-3
... of which contain magnesium: unalloyed magnesium, nickel-base nodulizers, and magnesium-ferrosilicon nodulizers. Unalloyed magnesium has been added to molten iron as wire, ingots, or pellets; as briquets, in combination with sponge iron; or in the cellular pores of metallurgical coke. The method...
Image
Published: 30 September 2015
Fig. 3 Powder raw materials. (a) Titanium sponge as extracted by the Kroll process. (b) Titanium sponge after crushing and cutting. (c) Titanium sponge fines (–100 mesh) of unalloyed titanium, obtained as byproduct of the Kroll magnesium process in (a), too small to be used in the melting process More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003139
EISBN: 978-1-62708-199-3
...+ Fe 2+ + e − →Fe −0.44 Cd,Cd 2+ Cd 2+ + e − →Cd −0.40 Ni,Ni 2+ Ni 2+ + e − →Ni −0.24 Sn,Sn 2+ Sn 2+ + e − →Sn −0.14 Cu,Cu 2+ Cu 2+ + e − →Cu 0.34 Ag,Ag + Ag + + e − →Ag 0.80 Unalloyed magnesium is not extensively used for structural...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003106
EISBN: 978-1-62708-199-3
... additions of 3 to 5% Ni and 1.5 to 2.5% Cr, (Cr,Fe) 7 C 3 from additions of 11 to 35% Cr, or those containing other carbide-forming elements. Cast irons may also be classified as either unalloyed cast irons or alloy cast irons. Unalloyed cast irons are essentially iron-carbon-silicon alloys containing...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003149
EISBN: 978-1-62708-199-3
... systems such as aluminum, copper, magnesium, refractory metal alloys, and titanium alloys as well as superalloys. Metal Processing and Fabrication Processing Zirconium and hafnium are produced from ore that generally is found in a heavy beach sand containing zircon, rutile, and ilmenite. Zircon...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003810
EISBN: 978-1-62708-183-2
... resistance to these salts. Other Environments Unalloyed cast iron is used as a melting crucible for such low-melting metals as lead, zinc, cadmium, magnesium, and aluminum. Resistance to molten metals is summarized in Table 6 . Ceramic coatings and washes are sometimes used to inhibit molten metal...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006349
EISBN: 978-1-62708-179-5
... irons can be grouped into the following five classes. Unalloyed Gray, Ductile, Malleable, and White Cast Irons Unalloyed gray, ductile, malleable, and white cast irons represent the first and largest class. All of these materials contain carbon and silicon of 3% or less and no deliberate...
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001084
EISBN: 978-1-62708-162-7
... zirconium and hafnium metal extracted from their ores. In 1947, the magnesium reduction method for extracting the metal from zirconium tetrachloride was developed at the U.S. Bureau of Mines in Albany, OR by W.J. Kroll. The properties of zirconium established by the U.S. Bureau of Mines indicate...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002462
EISBN: 978-1-62708-194-8
... Cold working of annealed material to H1 tempers increases the dislocation density. This increases strength, particularly yield strength, and decreases ductility. In unalloyed aluminum and in alloys containing little magnesium, cold working produces cells that have walls containing a high density...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001003
EISBN: 978-1-62708-161-0
... Shape and Distribution There are three major types of nodulizing agents, all of which contain magnesium: Unalloyed magnesium metal Magnesium-containing ferrosilicons Nickel-base nodulizers Unalloyed Magnesium Metal Unalloyed magnesium metal has been added to molten iron as wire...
Series: ASM Handbook
Volume: 4D
Publisher: ASM International
Published: 01 October 2014
DOI: 10.31399/asm.hb.v04d.a0005969
EISBN: 978-1-62708-168-9
... magnesium to a desulfurized base iron. However, if the magnesium addition is insufficient, or if the magnesium content of the iron decreases due to fading, flake-type graphite can appear in the casting causing an immediate 20-30% decrease in strength and stiffness. Production of CG iron is stable over...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003165
EISBN: 978-1-62708-199-3
... (40% IACS) and thermal conductivity (210 W/m · K, or 121 Btu/ft · h · F). Unalloyed beryllium is used in weapons, spacecraft, rocket nozzles, structural tubing, optical components, and precision instruments. The specific modulus, that is, the ratio of elastic modulus to density, is higher than...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003780
EISBN: 978-1-62708-177-1
... Uranium ore is processed by mineral beneficiation and chemical procedures to produce enriched or depleted uranium tetrafluoride (UF 4 ). The UF 4 is then reduced with magnesium or calcium at elevated temperature, resulting in metallic uranium ingots that are known as “derbies.” These derbies are vacuum...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003122
EISBN: 978-1-62708-199-3
...: copper, manganese, silicon, magnesium, magnesium silicide, zinc, or others. Aluminum In the 1 xxx group, the series 10 xx is used to designate unalloyed compositions that have natural impurity limits. The last two of the four digits in the designation indicate the minimum aluminum percentage...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005903
EISBN: 978-1-62708-167-2
...Abstract Abstract Interplays of metallurgical factors, such as dissolved oxygen, carbon, and silicon content, that control the molten metal from melting to pouring, have a decisive influence on the quality of the castings. This article focuses on the magnesium treatment and desulfurization...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002192
EISBN: 978-1-62708-188-7
... and oxides as principal inclusions ( Ref 2 ). Common alloying elements include titanium, which makes uranium hard, and niobium, which makes it corrosion resistant ( Ref 1 ). For example, unalloyed depleted uranium has a yield strength of 240 MPa (35 ksi), 10% elongation, and a hardness of 56.8 HRA in the β...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001418
EISBN: 978-1-62708-173-3
... becomes a positive attribute when considering weldability, because many of the alloy additions needed for precipitation hardening (for example, copper plus magnesium, or magnesium plus silicon) can lead to liquation or hot cracking during welding. In addition, joint efficiencies are higher in non-heat...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003820
EISBN: 978-1-62708-183-2
... 19 Table 4 presents the pit-initiation results for cast magnesium-aluminum alloys in salt solution. The tolerance limit for Cl − falls in the range of 2×10 −3 to 2×10 −2 M NaCl. Pure unalloyed magnesium shows exfoliation, in which individual grains were preferentially attacked along...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006346
EISBN: 978-1-62708-179-5
... pearlitic and ferritic CG irons have higher strengths than does low-CE, high-duty, unalloyed FG cast iron ( Fig. 4 ). Fig. 4 Effect of carbon equivalent on the tensile strength of flake, compacted, and spheroidal graphite irons cast into 30 mm (1.2 in.) diam bars. Source: Ref 5 Although...