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Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006838
EISBN: 978-1-62708-329-4
... and fabrication sources of failure, addresses the key factors in production and quality control, and explains failure analysis of AM parts. binder jet sintering directed energy deposition failure analysis metal products metallurgical characteristics powder bed fusion quality assurance ADDITIVE...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001127
EISBN: 978-1-62708-214-3
... nipple at root of threaded hole. Origin of rupture is at top. Note evidence off zinc oxide 5.5×. Brittle fractures have certain characteristics that permit them to be properly identified: There is no gross permanent or plastic deformation in the region, although there may be permanent...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0009222
EISBN: 978-1-62708-180-1
... fail under light service loads. Two-piece assemblies can alleviate some difficulties, and air-hardening steels permit designs that would otherwise be impractical. Fig. 1 This die of manganese oil-hardening steel cracked (highlighted by magnetic powder) at the sharp change of section in quenching...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001686
EISBN: 978-1-62708-220-4
... BTU per hour. The vaporizer was gas fired and used Dowtherm A as the heat transfer fluid. Dowtherm A is a mixture of diphenyl and diphenyl oxide and has superior heat transfer characteristics. The vaporizer coil material was specified as ASME SA-106 Grade B Schedule 80 pipe. The vaporizer coil...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001666
EISBN: 978-1-62708-229-7
... that the crack was located in the crown of the keyway close to the inlet end ( Figure 2 ). A strong indication was recorded by the loose powder method. No other indications were apparent in the keyway or adjacent bore regions. The magnetic rubber method also produced a strong, clear indication ( Figure 3...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001680
EISBN: 978-1-62708-221-1
..., fractography, and microhardness testing were used to gain an understanding of the failure mechanism. Wire failures occurred predominantly at characteristic wear sites between strands. These wear sites are identifiable by a large reduction in diameter; however, reduction in area was not responsible...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001251
EISBN: 978-1-62708-235-8
...% ferrosilicon powder and coke the 2-ton melt was deoxidized in a ladle with 3 kg aluminum, and was cast in wet sand molds. The pieces were stripped from the mold while red hot and were cooled in air and normalized at 900° C for 3 hours. The sender reported that tendency toward abnormal fractures rose...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001753
EISBN: 978-1-62708-241-9
... the microstructure through optical and scanning electron microscopy. Sample grinding was conducted with silicone carbide pads, from 240 through 1200 grit. Polishing was done with 1, 0.3, and 0.05 μm alumina powders, along with 4 and 1 μm diamond pastes. The sample was cleaned in ethanol for 2 min in between each...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091703
EISBN: 978-1-62708-229-7
... consisted of equiaxed alpha grains with annealing twins, as is normal for an admiralty brass in the annealed condition. The transverse through-wall crack contained branching secondary cracks. The mode of cracking was transgranular. Branched transgranular crack paths are characteristic of SCC. The cracks...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006756
EISBN: 978-1-62708-295-2
... questions as an investigation develops possible explanation(s) for actual events: What characteristics are present in the damaged component? What characteristics are present or expected in an undamaged component? What are the possible explanations that would account for the differences between...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001348
EISBN: 978-1-62708-215-0
... ), and switched back to the transgranular mode in the unaffected base metal ( Fig. 2 ). The regions that had been fractured intentionally by tensile loading revealed dimples characteristic of ductile fracture ( Fig. 2 ). Fig. 2 SEM fractographs showing mode of fracture at different stages of crack...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003521
EISBN: 978-1-62708-180-1
... explanation(s) for actual events: What characteristics are present in the failed/damaged component? What characteristics are present or expected in an undamaged component? What are the possible explanations that would account for the differences between damaged and undamaged components? What...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006826
EISBN: 978-1-62708-329-4
... modes. (a) Characteristic wear and fracture surfaces on cutting tools. (b) Catastrophic failure. (c) Typical wear measurements for a turning tool. VB , flank wear Cutting tools that wear beyond their end-of-life level are considered damaging to the process and represent a failed state...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001548
EISBN: 978-1-62708-219-8
.... The conclusions were: Deterioration of the panels was the result of corrosion of the aluminum at the plywood-aluminum interface. The corrosion was probably caused by use of fire retardant-treated plywood. Characteristics of the fire retardant specified included its being hydroscopic (i.e., able...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006864
EISBN: 978-1-62708-395-9
... Applications and Typical Products In the simplest terms, all plastics processing techniques involve three key steps: fluidizing (plasticating), shaping, and solidification. Raw materials are typically sourced as pellets or powders (thermoplastic) or as monomeric liquid and cross-linking agent (thermoset...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006933
EISBN: 978-1-62708-395-9
... analyses are performed on metal and plastic materials center primarily on the techniques used to evaluate the composition and structure of the material. Unlike metals, polymers have a molecular structure that includes characteristics such as polymer functional groups, molecular weight, molecular weight...
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 Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001713
EISBN: 978-1-62708-220-4
... Abstract On 21 April 1995, the contents of a large blender (6 cu m) reacted and caused an explosion that killed and injured a number of workers at a plant in Lodi, NJ. A mixture of sodium hydrosulfite and aluminum powder was being mixed at the time of the accident. This report focuses...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001560
EISBN: 978-1-62708-217-4
... of testing in the residue paste was (1) linear polarization, (2) cathodic polarization, and (3) anodic polarization. X-Ray Diffraction and Elemental Analysis To identify the compounds and aggressive agent or agents present in the residue product both powder x-ray diffraction and microprobe analysis...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003551
EISBN: 978-1-62708-180-1
... and describes the corrosion resistance characteristics of specific classes of refractories and structural ceramics. The article also examines the prevention strategies that minimize corrosion failures of both classes of materials. aerospace industry automotive industry chemical corrosion chemical...