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recycling of metals

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Book Chapter

By John C. Bittence
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003222
EISBN: 978-1-62708-199-3
... Abstract This article focuses on the recycling of metals including iron and steel, stainless steel, superalloys, nickel, aluminum, copper, precious metals, lead, magnesium, tin, titanium, and zinc. It provides information on the identification and sorting of scrap metals and discusses the...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003013
EISBN: 978-1-62708-200-6
... PET is used. A more recent development is the multilayer PET container, with postconsumer PET sandwiched between two layers of virgin PET. Strapping that replaces the metal strapping used in pallet wrapping was developed in the early years of PET recycling. The strapping is made by the extrusion...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003223
EISBN: 978-1-62708-199-3
... manufacturing process. For example, the scrap value of turnings is low; that of punchings is high. The resale value of alternative metals/alloys for any particular process should also be considered. Once these values have been optimized, the value of the recycled scrap should be deducted from the cost of...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003050
EISBN: 978-1-62708-200-6
... reducing the metal oxides in a rotary hearth furnace, and casting the separated metal. For chromium-bearing refractories, the material is crushed and screened, then fed directly into an electric submerged arc smelting furnace for extraction of the metal. Chromium is recovered at a rate of 86% for recycling...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003804
EISBN: 978-1-62708-183-2
... noncombustibility. Further, because most ferrous metals are magnetic, they are very easy to separate from the waste stream. This important property allows steel to be the most recycled material, which is done for economic as well as environmental reasons. This combination of factors often results in steel being the...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001313
EISBN: 978-1-62708-170-2
..., molybdenum, tungsten, and rhenium. With the exception of two of the platinum-group metals, osmium and iridium, they have the highest melting temperatures and lowest vapor pressures of all metals. The refractory metals are readily degraded by oxidizing environments at moderately low temperatures, a property...
Series: ASM Handbook
Volume: 13B
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v13b.a0003814
EISBN: 978-1-62708-183-2
... elemental base. aluminum copper corrosion resistance nickel nonferrous metals titanium NONFERROUS METALS AND ALLOYS are widely used to resist corrosion. At one end of the spectrum, they are used for water piping and food preparation. At the other end, they are vital to the operation of many...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003221
EISBN: 978-1-62708-199-3
... Abstract This article discusses surface engineering of nonferrous metals including aluminum and aluminum alloys, copper and copper alloys, magnesium alloys, nickel and nickel alloys, titanium and titanium alloys, zirconium and hafnium, zinc alloys, and refractory metals and alloys. It describes...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003245
EISBN: 978-1-62708-199-3
... and different product forms of steels. etching ferrous metals grinding metallurgical structure microstructural analysis mounting polishing THE PREPARATION OF SPECIMENS of carbon and alloy steels can require special consideration, and these special procedures...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003150
EISBN: 978-1-62708-199-3
... Abstract Precious metals include gold, silver, and six platinum-group metals, namely, platinum, palladium, ruthenium, rhodium, osmium, and iridium. This article focuses on the consumption, trade practices, properties, product forms, and applications of these metals and their alloys. gold...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003088
EISBN: 978-1-62708-199-3
... and product manufacture, use, recycling (including design for recycling), and disposal. The other major factors considered include evaluation of the current state of the art for a given design, designing to codes and standards, and human factors/ergonomics. design factors design for quality...
Book Chapter

By Ted Kostilnik
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001235
EISBN: 978-1-62708-170-2
... recycling equipment strip holder surface coverage test strips SHOT PEENING is a method of cold working in which compressive stresses are induced in the exposed surface layers of metallic parts by the impingement of a stream of shot, directed at the metal surface at high velocity under controlled...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003087
EISBN: 978-1-62708-199-3
... process as well as subsequent mishandling by the consumer. And, changing a part body from metal to plastic is not necessarily a good solution because the recycling infrastructure is not yet adequate on a global level to effectively reclaim the material. Another design factor is the repairability of a...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001277
EISBN: 978-1-62708-170-2
.... Painting offers the following advantages over other processes used for the protection or decoration of metal parts and assemblies: The equipment required for applying paint is usually less expensive to buy and install, is simpler to operate, and requires less control. Material and labor costs per...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005267
EISBN: 978-1-62708-187-0
... any doubt as to the purity of the scrap, it should not be used in any proportion until it has been analyzed. Scrap returned for recycling must be free of oil and moisture. A safety hazard is created when oil and moisture are present on the metal being charged into the furnace. Some zinc scrap may be...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005275
EISBN: 978-1-62708-187-0
... prepared semisolid metal processing (SSP) billet used in many other SSP processes. Constituting the ability to operate a foundry-free environment, Thixomolding addresses the contemporary issues of energy and materials conservation, recyclability, waste disposal and management, safety, and environment in...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005352
EISBN: 978-1-62708-187-0
... ladles MOLTEN METALS are processed and handled in various ways, depending on the alloy and melting practice. The very nature of melting is a way of combining elements for the purpose of alloying based on the laws of physical chemistry (see the article “Chemical Thermodynamics and Kinetics” in this...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005339
EISBN: 978-1-62708-187-0
... development of select cast MMCs. space applications automotive industries continuous fiber-reinforced composites short fiber-reinforced composites electronic packaging hybrid composites melt infiltration cast metal matrix composites particle-reinforced composites solidification liquid-phase...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006465
EISBN: 978-1-62708-190-0
... focus in the AM space driven by the need to recycle unused powder to reduce costs. Inspection of virgin powder (as received) is described in ASTM F3049-14, “Standard Guide for Characterizing Properties of Metal Powders Used for Additive Manufacturing Processes” ( Ref 20 ). Techniques in this standard...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005186
EISBN: 978-1-62708-187-0
... Abstract Casting is one of the most economical and efficient methods for producing metal parts. In terms of scale, it is well suited for everything from low-volume, prototype production runs to filling global orders for millions of parts. Casting also affords great flexibility in terms of...