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extractive metallurgy

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001681
EISBN: 978-1-62708-234-1
... Electrolytic etchant used to remove carbon films for extraction replicas. 10% HCl in methanol use at 8—10 V, 0.2—0.5 A/cm 2 , 25°C Conditions used for preparation of thin foil transmission electron microscopy samples. 950 ml acetic acid + 50 ml HClO4 use at 70—80 V, 100–200 MA, 15°C (60F...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001632
EISBN: 978-1-62708-234-1
... of the LANSCE Monitor Fig. 5 The control room for the Monitor system showing the master-slave force-feedback manipulator controls and the television screens It was necessary to extract the window assembly and its associated “insert” from the facility. The insert (nonirradiated and prior...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006771
EISBN: 978-1-62708-295-2
... small area analysis, imaging Ease of use, quantification Chemical and molecular analysis, imaging Limitations Insulator analysis challenging, damaging to organics Very few Quantification difficult Major applications Semiconductors, electronics, metallurgy All industries Polymers...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003518
EISBN: 978-1-62708-180-1
... of failure analysis have learned the value of taking the time to extract lessons about both the technical and people-related causes of the failure. When the challenge is to keep learning, every investigation adds to our competence. Often, problems cannot be solved from the same level of understanding...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006782
EISBN: 978-1-62708-295-2
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001770
EISBN: 978-1-62708-241-9
... fractographs of impact specimens extracted from failed base plate showing ductile dimple fracture: ( a ) magnification: 25× and ( b ) magnification: ×35 Fig. 8 SEM fractographs showing ( a ) primarily ductile transgranular fracture, ( b ) primarily transgranular fracture with some intergranularly...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003501
EISBN: 978-1-62708-180-1
..., stainless steel, age-hardening aluminum alloys, etc.), its general product form (e.g., wrought, cast, powder metallurgy, etc.), and the processing method (e.g., forged, die cast, injection molded, etc.). All of these factors must be considered when the shape of a part is defined during configuration design...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006800
EISBN: 978-1-62708-329-4
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... microorganisms can be involved in corrosion scenarios. This is a rapidly evolving area. The introduction of new, cost-effective methods for the analysis of trace genetic material in the form of DNA and RNA molecules extracted from field samples made it possible, in principle, to identify all the organisms...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006754
EISBN: 978-1-62708-295-2
... treatment department employee does not understand importance of hardness and does not check part. Heat treatment department employees are sent to a basic metallurgy and testing class. Latent causes or factors Nobody tells furnace operator about the importance of hardness testing. It does not matter...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006812
EISBN: 978-1-62708-329-4
... that had very prominent cracklike features ( Fig. 10 ) was selected for further examination. A decision was made that a full-thickness metallographic sample should be taken out from the affected area around this nozzle, using flame cutting. The nozzle joint with markings to extract a full-thickness coupon...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... the liquid penetrant may corrode the metal. Surface films may prevent detection of discontinuities. Penetrant may be a source of contamination that masks results in subsequent chemical analysis of fracture surfaces. The process is generally not suited to inspection of low-density powder-metallurgy...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006807
EISBN: 978-1-62708-329-4
... on specimens extracted from components in service, as well as to construct a constitutive model for the purpose of performing advanced structural calculations including the effects of creep damage accumulation. One notable advantage of the Omega model, especially as it relates to testing of service-exposed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003507
EISBN: 978-1-62708-180-1
... is to describe general root causes of failure that are associated with wrought metals and metalworking. This includes a brief review of the discontinuities or imperfections that may be common sources of failure-inducing defects in bulk working of wrought products. This article does not address powder metallurgy...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... investigation. The analyst must assess the importance of contributory causes to the failure and the techniques required for the examination. A complex investigation could require several experts in different disciplines of engineering, physical science, metallurgy, chemistry, system operations...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006816
EISBN: 978-1-62708-329-4
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006825
EISBN: 978-1-62708-329-4
... is further reduced by the superheating or reheating of steam in superheaters and reheaters. To extract more heat and to improve overall thermal efficiency, an economizer preheats the boiler feedwater to a temperature close to its boiling point. The flue gas travels through an air preheater, which heats...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006814
EISBN: 978-1-62708-329-4
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003572
EISBN: 978-1-62708-180-1
... Polymers Polymer composites are extensively used for sliding components in earth-moving equipment, rock- and ore crushers, dies in powder metallurgy, extruders and chutes, and so on, where the major wear failure mechanism is either two-body or third-body abrasion. The abrasion is a net result...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006778
EISBN: 978-1-62708-295-2
.... Intergranular brittle fracture is very prevalent in ceramic materials and is often present in poorly sintered powder metallurgy constructs. It is necessary for the practicing failure analyst to understand that intergranular brittle fracture is not always due to defects and improper processing. This mechanism...