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impurity limits

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Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340453
EISBN: 978-1-62708-427-7
... impurity limits lightweighting waste management Collection and closed-loop recycling of aluminum cans is a model for sustainable packaging. However, recycling rates vary dramatically among different countries and municipalities WHAT IS THE ROLE OF MATERIALS in today’s changing global...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140007
EISBN: 978-1-62708-335-5
... limited, element-specific impurity limits. 2.2 Specifications Aluminum castings are the subject of numerous specifications and standards. Within the United States, alloy chemistry and thermal practices are registered with the Aluminum Association (see Section 2.3.1 of this chapter). Procurement...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.ttg2.t61120013
EISBN: 978-1-62708-269-3
... (sheet), 0.0125H (bar), and 0.0100H (billet). Compositions of various alpha and near-alpha titanium alloys Table 3.3(a) Compositions of various alpha and near-alpha titanium alloys Product specification Impurity limits, wt% max Alloying elements, wt% (a) N C H Fe O Max total...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.tb.atia.t59340019
EISBN: 978-1-62708-427-7
... metal grades ranging from P0202 to P2585. Although iron and silicon are the major impurities of concern, other elements such as zinc, gallium, or vanadium may have specific limits necessary for special applications such as electrical conductors. For example, P1020A is a typical designation for smelter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170528
EISBN: 978-1-62708-297-6
... may be detrimental to a particular soldered product. A determination of a revised or limited specification for solder materials sometimes is required. Impurities of a metallic and nonmetallic nature can be found in raw materials and in scrap solder sometimes used by reclaimers. Reclaimed solder...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430343
EISBN: 978-1-62708-253-2
.... They may be subjected to continuous operation for several hours at 110% of their MCR. Attention may not be paid to the safe working of the auxiliary equipment and other components of the boiler. Without giving due importance to the self-limiting capability of auxiliary equipment, power plant management may...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.9781627083355
EISBN: 978-1-62708-335-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230107
EISBN: 978-1-62708-298-3
.... This beryllium is reconverted to oxide and contains all the impurities present in the original sample. The impurities are determined by arcing the oxide in a graphite cup at 12 A, and the detection limits are stated in Table 9.1 . Detection limits of impurities using emission spectrometry Table 9.1...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030126
EISBN: 978-1-62708-282-2
...-intensity levels (stage 2), the crack propagation rate approaches some constant velocity that is virtually independent of the mechanical driving force. This plateau velocity, V plateau , is characteristic of the alloy-environment combination and is the result of rate-limiting environmental processes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240509
EISBN: 978-1-62708-251-8
... Abstract Magnesium occupies the highest anodic position on the galvanic series and can be subject to severe corrosion. The corrosion problem is due to the impurity elements iron, nickel, and copper. However, the use of higher-purity magnesium alloys has led to corrosion resistance approaching...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170351
EISBN: 978-1-62708-297-6
... of developing the highest strengths among all casting alloys, and these alloys are used where this is a predominant requirement. These alloys (A201.0, 202.0, 204.0, and A206.0) contain 4 to 6% Cu and 0.25 to 0.35% Mg, with highly restrictive impurity (iron and silicon) limits, and in some cases also contain...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230151
EISBN: 978-1-62708-298-3
..., temperature, strain rate, stacking fault energy, and impurity level. The critical resolved shear stress (CRSS) as a function of temperature for the different slip systems is shown in Fig. 13.3 . Notice the temperature ranges necessary to have basal slip compared to prismatic slip [ Aldinger 1979 ]. Fig...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220009
EISBN: 978-1-62708-259-4
... the furnace made it possible for the iron to dissolve a large amount of that element ( Ref 4 ), significantly lowering the metal melting point (refer to Fig. 1.3 ). Liquid iron produced this way is rich in carbon and contains undesirable impurities, leading to a product with somewhat limited properties...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170520
EISBN: 978-1-62708-297-6
..., the observed value or calculated value obtained from analysis should be rounded to the nearest unit in the last right-hand place of figures used in expressing the specified limit, in accordance with the rounding procedure described in ASTM E 29. (a) ASTM alloy designations were established in accordance...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490059
EISBN: 978-1-62708-340-9
... rupture of the component can occur. Depending on the component, the final failure may be limited either by deformation or by fracture. Local creep processes at the tip of a pre-existing defect or stress concentration can also lead to local crack growth and eventual failure. Numerous texts deal in detail...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430379
EISBN: 978-1-62708-253-2
... the boiler drum. The impurity concentration also increases with compensation of evaporated water by make-up water. Eventually, the level of impurities in boiler water exceeds acceptable limits. A stage comes when some of the boiler or cycle water must be drained or blown out to maintain the concentration...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140055
EISBN: 978-1-62708-264-8
... Abstract Steels contain a wide range of elements, including alloys as well as residual processing impurities. This chapter describes the chemical composition of low-alloy AISI steels, which are classified based on the amounts of chromium, molybdenum, and nickel they contain. It explains why...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310001
EISBN: 978-1-62708-286-0
... simultaneously. Stainless steel is an exceptional alloy system in that it is not a dilute solution. Alloy steels may contain several percent of alloying elements, such as carbon, manganese, nickel, molybdenum, chromium, and silicon, in addition to the impurities sulfur, oxygen, and phosphorus. Alloy steels...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2001
DOI: 10.31399/asm.tb.aub.t61170432
EISBN: 978-1-62708-297-6
.... The only difference between them is that a higher level of copper is allowed in AZ91B than in AZ91A. In addition, a high-purity version of AZ91, AZ91D, is also now available for die casting. Because tight limits have been placed on levels of copper, nickel, and iron impurities allowed in AZ91D...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090001
EISBN: 978-1-62708-266-2
.... This plateau velocity is characteristic of the alloy/environment combination and is the result of rate-limiting environmental processes such as mass transport of environmental species up the crack to the crack tip. In stage 3, the rate of crack propagation exceeds the plateau velocity as the stress-intensity...