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wrought magnesium alloys
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Published: 01 January 1996
Fig. 9 Data comparing similar cast and wrought magnesium alloys during long-term stress-corrosion cracking (SCC). Long-term rural-atmosphere SCC data compare similar-composition AZ61 sheet, extruded AZ61, and sand-cast AZ63. Although there is a great deal of scatter in these data, all three
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Published: 01 December 2004
Fig. 43 Sections of a wrought magnesium alloy prepared by a modified procedure using a suspension of a diamond abrasive for polishing. (a) Hot extruded tube. Etched in a picric acid-acetic acid-ethanol reagent. Viewed in polarized light. 100×. (b) Compressed uniaxially at 200 °C. Etched
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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003138
EISBN: 978-1-62708-199-3
... describes alloy and temper designations of cast and wrought magnesium alloys. The role of mechanical properties and fabrication characteristics in selection of product forms for structural applications is covered. The article explores the use of magnesium alloys as a substitution for heavier metals...
Abstract
Magnesium and magnesium alloys have been employed in a wide variety of structural applications because of their favorable combination of tensile strength, elastic modulus, and low density. Providing a brief section on occurrence, production, and uses of magnesium, this article describes alloy and temper designations of cast and wrought magnesium alloys. The role of mechanical properties and fabrication characteristics in selection of product forms for structural applications is covered. The article explores the use of magnesium alloys as a substitution for heavier metals such as steel and aluminum alloys to reduce weight in structural parts.
Book Chapter
Book: Fatigue and Fracture
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002412
EISBN: 978-1-62708-193-1
... and approximately 33% that of aluminum. Because of this low density, both cast and wrought magnesium alloys ( Tables 1 and 2 ) have been developed for a wide variety of structural applications in which low weight is important, if not a requirement. In this context, this article briefly summarizes the fatigue...
Abstract
This article summarizes the fatigue and fracture resistance of selected magnesium alloys. It reviews the effects of surface condition and test variables on fatigue strength. The article also provides an overview of the fatigue crack growth, fracture toughness, and stress-corrosion cracking of magnesium alloys.
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006254
EISBN: 978-1-62708-169-6
... on these and other elements can be found in the literature. See Ref 5 for a comprehensive review. Types of Heat Treatment The heat treatments commonly used for various magnesium alloys, both cast and wrought, are indicated by temper designations in Table 2 . Further information on heat treatments can...
Abstract
Magnesium alloys are used predominantly for high-pressure die-cast applications in which the use of a deliberate heat treatment is uncommon. This article provides information on the heat treatment designations for magnesium alloys. It describes the effects of grain size on magnesium alloys and the relationship between hardness and mechanical properties of the alloys. The article discusses the effects of elements such as aluminum, zinc, manganese, rare earths, and yttrium, on precipitation hardening. It describes the types of heat treatment for magnesium alloys, including annealing, stress relieving, solution treating and aging, and reheat treating. The article also discusses the preventive measures for the common problems encountered in heat treating magnesium alloys; and the evaluation of the effectiveness of heat treating procedures. In addition, it presents the processing steps involved in the heat treatment of magnesium alloys and in the prevention and control of magnesium fires.
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001074
EISBN: 978-1-62708-162-7
... Abstract Magnesium and magnesium alloys are used in a wide variety of structural and nonstructural applications. This article provides information on selection and application of magnesium and magnesium alloys, mainly, casting alloys and wrought alloys. It also provides tabulated data...
Abstract
Magnesium and magnesium alloys are used in a wide variety of structural and nonstructural applications. This article provides information on selection and application of magnesium and magnesium alloys, mainly, casting alloys and wrought alloys. It also provides tabulated data for the composition, properties of these alloys, including compressive strength, bearing strength, shear strength, hardness, wear resistance, and fatigue strength. The article describes the selection of product forms (castings, extrusions, forgings) for structural applications which is based on mechanical property requirements, cost, availability, and fabricability. It also discusses the types of inserts used in magnesium. The article also deals with the joining of magnesium alloys by welding, adhesive bonding, and riveting. It concludes by describing the formability and machinability of magnesium and magnesium alloys, and explains the role of magnesium in design and weight reduction.
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0003998
EISBN: 978-1-62708-185-6
... are predominantly in the form of castings (high-pressure die castings, in particular). Wrought magnesium applications (including sheet, extrusions, and forgings) comprise only about 1% of the total magnesium market. Forging alloys are primarily produced from three major alloy groups: those containing primarily...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006274
EISBN: 978-1-62708-169-6
... magnesium intensifies precipitation hardening with CuAl 2 (in the 2 xxx and 2 xx.x alloy series) Al-Mg-Si systems with strengthening from Mg 2 Si (6 xxx wrought alloys and some alloys in the 4 xxx and 4 xx.x alloy series) Al-Zn-Mg systems, with strengthening from MgZn 2 (alloys in the 7 xxx...
Abstract
This article describes the different types of precipitation and transformation processes and their effects that can occur during heat treatment of various nonferrous alloys. The nonferrous alloys are aluminum alloys, copper alloys, magnesium alloys, nickel alloys, titanium alloys, cobalt alloys, zinc alloys, and heat treatable silver alloys, gold alloys, lead alloys, and tin alloys. It also provides a detailed discussion on the effects due to precipitation and transformation processes in these non-ferrous alloys.
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003774
EISBN: 978-1-62708-177-1
.... Magnesium alloys also can be classified broadly into three categories depending on the type of processing to which they will be subjected: sand and gravity or low-pressure die (permanent mold) casting alloys; high-pressure die casting alloys; and wrought alloys. The nominal compositions and processing...
Abstract
Magnesium and its alloys are among the most difficult metals to prepare for metallographic examination. This article describes specimen preparation processes, including sectioning, mounting, grinding, and polishing. It discusses macro and microexamination techniques as well as related etching processes, including macroetching and color etching based on polarized light enhancement. The article concludes with an overview of the effects of alloying elements, including aluminum, beryllium, calcium, copper, iron, lithium, manganese, rare earth metals, silicon, silver, strontium, thorium, tin, zinc, and zirconium.
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006535
EISBN: 978-1-62708-207-5
..., copper, zinc, and iron content reduce hydrogen solubility, while magnesium, titanium, and especially lithium (in wrought alloys) increase hydrogen solubility. Much of the following material in this section regarding measurement of hydrogen and removal techniques applies to both shape and wrought...
Abstract
There are a wide variety of furnace types and designs for melting aluminum. This article discusses the various types of furnaces, including gas reverberatory furnaces, crucible furnaces, and induction melting furnaces. It describes the classification of solid fluxes: cover fluxes, drossing fluxes, cleaning fluxes, and furnace wall cleaner fluxes. The article reviews the basic considerations in proper flux selection and fluxing practices. It explains the basic principles of degassing and discusses the degassing of wrought aluminum alloys. The article describes filtration in wrought aluminum production and in shape casting. It also reviews grain refinement in aluminum-silicon casting alloys, aluminum-silicon-copper casting alloys, aluminum-copper casting alloys, aluminum-zinc-magnesium casting alloys, and aluminum-magnesium casting alloys. The article concludes with a discussion on aluminum-silicon modification.
Book Chapter
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006707
EISBN: 978-1-62708-210-5
...-hardenable alloy. Magnesium is considerably more effective than manganese as a hardener, approximately 0.8% Mg being equal to 1.25% Mn, and it can be added in considerably higher quantities. The solubility of magnesium in aluminum is nearly 14%, but the practical limit in wrought products is 5 to 6...
Book Chapter
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005444
EISBN: 978-1-62708-196-2
... Abstract This article contains a table that lists the thermal conductivity of selected metals and alloys near room temperature. These include aluminum and aluminum alloys; copper and copper alloys; iron and iron alloys; lead and lead alloys; magnesium and magnesium alloys; nickel and nickel...
Abstract
This article contains a table that lists the thermal conductivity of selected metals and alloys near room temperature. These include aluminum and aluminum alloys; copper and copper alloys; iron and iron alloys; lead and lead alloys; magnesium and magnesium alloys; nickel and nickel alloys; tin and tin alloys; titanium and titanium alloys; zinc and zinc alloys; and pure metals.
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003331
EISBN: 978-1-62708-176-4
... 105 28 Zinc die-casting alloys 91 82 Silver 90 26 Magnesium alloys, wrought 82 46 Magnesium alloys, cast 80 50 Aluminum alloys, 3000 series 77 28 Rare earths 77 17 Gold 66 25 Aluminum alloys, 1000 series 44 19 Tin and its alloys 29 5 Lead and its alloys...
Abstract
This article is a comprehensive collection of tables that list the values for hardness of plastics, rubber, elastomers, and metals. The tables also list the tensile yield strength and tensile modulus of metals and plastics at room temperature. A comparison of various engineering materials, on the basis of tensile strength, is also provided.
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0005144
EISBN: 978-1-62708-186-3
... temperatures and times for various wrought magnesium alloys. The times given indicate the maximum time the alloy can be held at temperature without adversely affecting mechanical properties. Maximum forming temperatures and times for wrought magnesium alloys Table 6 Maximum forming temperatures...
Abstract
In terms of forming, magnesium alloys are much more workable at elevated temperatures due to their hexagonal crystal structures. This article describes the deformation mechanisms of magnesium and provides information on the hot and cold forming processes of magnesium alloys and the lubricants used in the processes. It discusses the various forming processes of magnesium alloys. These include press-brake forming, deep drawing, manual and power spinning, rubber-pad forming, stretch forming, drop hammer forming, and precision forging.
Book Chapter
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003122
EISBN: 978-1-62708-199-3
... Abstract This article describes the systems for designating the aluminum and aluminum alloys that incorporate the product forms (wrought, casting or foundry ingots) and its respective temper for strain-hardened alloys, heat-treatable alloys and annealed alloys. All these systems are covered...
Abstract
This article describes the systems for designating the aluminum and aluminum alloys that incorporate the product forms (wrought, casting or foundry ingots) and its respective temper for strain-hardened alloys, heat-treatable alloys and annealed alloys. All these systems are covered by American National Standards Institute (ANSI) standard H35.1. Furthermore, the article provides a short note on the designation of unregistered tempers.
Series: ASM Handbook
Volume: 2
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v02.a0001075
EISBN: 978-1-62708-162-7
... Abstract This article is a compilation of property data for standard grades of wrought magnesium and cast magnesium alloys. Data are provided for mechanical, physical, thermal, and electrical properties. Valuable information is provided regarding the applications, chemical compositions...
Abstract
This article is a compilation of property data for standard grades of wrought magnesium and cast magnesium alloys. Data are provided for mechanical, physical, thermal, and electrical properties. Valuable information is provided regarding the applications, chemical compositions, relevant specifications, fabrication characteristics and mass characteristics of each alloy.
Book Chapter
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003124
EISBN: 978-1-62708-199-3
..., but the dispersoids aid in grain size control after solution heat treatment. Magnesium The aluminum-magnesium system is the basis for the wrought 5 xxx and cast 5 xx.x non-heat-treatable aluminum alloys, which provide excellent combinations of strength and corrosion resistance by solid-solution strengthening...
Abstract
The physical and mechanical properties of aluminum alloy can be improved by strengthening mechanisms such as strain hardening used for non-heat treatable aluminum alloy and precipitation hardening used for heat treatable aluminum alloy. This article focuses on the effect of strengthening mechanisms on the physical and mechanical properties of non-heat treatable and heat treatable aluminum alloys. It describes the use of the aluminum alloy phase diagram in determining the melting temperature, solidification path, equilibrium phases, and explains the effect of alloying element in phase formation.
Book Chapter
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003204
EISBN: 978-1-62708-199-3
... of aluminum alloys, copper alloys, magnesium alloys, nickel and nickel alloys, and titanium and titanium alloys and its product forms. aluminum alloys copper alloys heat treating magnesium alloys nickel nickel alloys titanium titanium alloys Heat Treating of Aluminum Alloys HEAT TREATING...
Abstract
This article discusses different heat treating techniques, including quenching, homogenizing, annealing, stress relieving, stress equalizing, quench hardening, strain hardening, tempering, solution heat treating, and precipitation heat treating (age hardening) for different grades of aluminum alloys, copper alloys, magnesium alloys, nickel and nickel alloys, and titanium and titanium alloys and its product forms.
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
.... Effects on strength are minor, but the dispersoids aid in grain size control after solution heat treatment. Magnesium The aluminum-magnesium system is the basis for the wrought 5 xxx and cast 5 xx.x non-heat-treatable aluminum alloys, which provide excellent combinations of strength and corrosion...
Abstract
This article focuses on the monolithic form of nonferrous alloys, including aluminum, copper, nickel, cobalt, titanium, zinc, magnesium, and beryllium alloys. Each metal and alloy offers unique combinations of useful physical, chemical, and structural properties that are made available by its particular composition and the proper choice of processing method. The article describes the composition, designation system, properties, and processing method of these metals and alloys. It discusses the effect of alloying elements in these alloys. The article explains microstructure/property relationships that are used to make specific properties available to the designers of structural applications. It provides examples of phase diagrams that illustrate eutectic and peritectic reactions.
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006503
EISBN: 978-1-62708-207-5
.... Most of the alloys in which chromium is present also contain magnesium, so that during solid-state heating they form Al 2 Mg 2 Cr, which also has very low-equilibrium solid solubility. Smelter-grade primary metal, whether in ingot or wrought product form, contains a small volume fraction of second...
Abstract
This article provides a thorough review of the physical metallurgy of aluminum alloys and its role in determining the properties and from a design and manufacturing perspective. And its role in include the effects of composition, mechanical working, and/or heat treatment on structure and properties. This article focuses on the effects of alloying and the metallurgical factors on phase constituents, structure, and properties of aluminum alloys. Effects from different combinations of alloying elements are described in terms of relevant alloy phase diagrams. The article addresses the underlying alloying and structural aspects that affect the properties and possible processing routes of aluminum alloys. It provides information on the heat treatment effects on the physical properties of aluminum alloys and the microstructural effects on the fatigue and fracture of aluminum alloys. The important alloying elements and impurities are listed alphabetically as a concise review of major effects.
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