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inert gas fusion analysis

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006766
EISBN: 978-1-62708-295-2
... fusion analysis is provided. combustion analysis failure analysis inductively coupled plasma optical emission spectroscopy inert gas fusion analysis ion chromatography metals X-ray spectroscopy IDENTIFICATION OF ALLOYS using quantitative chemical analysis is an essential step during...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001839
EISBN: 978-1-62708-241-9
.... Potential sources of hydrogen are considered as are remedial measures for controlling hydrogen content in steels. steel coils delayed hydrogen cracking austenitic stainless steel grain facets stepwise microcracking inert gas fusion analysis stacking fault energy 0.1%C-14.7%Cr-9.3%Mo-0.2%Si (low...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0047641
EISBN: 978-1-62708-235-8
...Abstract Abstract A Ti-6Al-4V alloy pressure vessel failed during a proof-pressure test, fracturing along the center girth weld. The girth joints were welded with the automatic gas tungsten arc process utilizing an auxiliary trailing shield attached to the welding torch to provide inert-gas...
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
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001667
EISBN: 978-1-62708-235-8
... of the cylinders, (2) a fusion pass to seal the entire joint, (3) a penetration weld using a filler wire; and, (4) a finish weld for cosmetic purposes. All of the welding operations were performed in a weld chamber backfilled with an inert argon gas atmosphere to shield the weld area. Initially, a test plate...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001815
EISBN: 978-1-62708-241-9
...-fractured, and good stock pins by electrolytic plating and inert gas fusion techniques. The sample chemistries were all found consistent with C11000 copper with 5–20 ppm oxygen. Many of the samples also met the specification for C10200 oxygen free copper. Extensive examination of the literature revealed...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006808
EISBN: 978-1-62708-329-4
... 62 , May 1983 , p 123s – 128s 49. “ Characterization Study of Temper Embrittlement of Chromium-Molybdenum Steels ,” API Publication 959, American Petroleum Institute , Washington, D.C. , May 1982 50. Richards F. , Failure Analysis of a Natural Gas Pipeline Rupture , J. Fail...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003509
EISBN: 978-1-62708-180-1
... include: Underbead cracks Gas porosity Inclusions—slag, oxides, or tungsten metal Incomplete fusion Inadequate penetration Solidification cracks, liquation cracks Failure to meet strength, ductility, or toughness requirements is another cause for rejection of weldments. Details...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001041
EISBN: 978-1-62708-214-3
... fatigue strength improvement techniques have been developed, such as toe grinding ( Fig. 19 ) and tungsten-inert gas (TIG) dressing ( Fig. 20 ). These techniques remove the microscopic intrusions at the weld toe. Other techniques, such as hammer peening, shot peening, or overloading, rely...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003525
EISBN: 978-1-62708-180-1
..., contamination, degradation, chemical contact Differential scanning calorimetry (DSC) Heat of fusion, melting point, glass transition temperature, heat capacity Material identification, level of crystallinity, aging/degradation, thermal history Thermogravimetric analysis (TGA) Weight loss over...
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
... resistance of structural ceramics to hot gases Table 3 Corrosion resistance of structural ceramics to hot gases Ceramics at purity(>99.5%) Resistance to indicated gas at indicated temperature (a) , °C (°F) Air Steam CO H 2 H 2 S F (gas) Alumina A, 1700 (3090) A, 1700 (3090...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... that microbiological effects are of significant concern in failure analysis and prevention. Microbially induced corrosion problems afflict water-handling operations and manufacturing processes in oil and gas production, pipelining, refining, petrochemical synthesis, power production, fermentation, waste water...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... a suitably buffered or inhibited solution can be used to retard corrosion. Another method is to keep the heat exchanger dry and, if necessary, fill it with an inert gas. Desiccants or vapor-phase corrosion inhibitors can also be added, and the heat exchanger can then be sealed until start-up. After start...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c9001690
EISBN: 978-1-62708-226-6
... fluorescence spectrometer, Thermo Jarrell Ash plasma atomic emission spectrometer-ICP, LECO direct combustion analyzer, Shimadzu flame atomic absorption spectrophotometer-AAE, and LECO inert gas fusion determinator). Femoral Compression Plates Femoral Nail Plate Titanium Oral Maxillofacial Plate...
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
... the electrochemical nature of corrosion and provides the typical analysis of environmental- and corrosion-related failures. It presents common methods of testing of laboratory corrosion and discusses the processes involved in the prevention of environmental- and corrosion-related failures of metals and nonmetals...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001816
EISBN: 978-1-62708-180-1
... analyst to determine the cause and suggest corrective action. The causes of failures include tube rupture, corrosion or scaling, fatigue, erosion, and stress-corrosion cracking. The article also describes the procedures for conducting a failure analysis. boilers corrosion embrittlement erosion...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
.... El-Batahy A. , Amin M. , and Fathy G. , Failure of a Column Reboiler in a MEG Recovery Unit , J. Mater. Perform. , Vol 47 (No. 8 ), 2008 , p 66 – 69 13. Otegui J.L. and Fazzini P.G. , Failure Analysis of Tube-Tubesheet Welds in Cracked Gas Heat Exchanger , Eng...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003508
EISBN: 978-1-62708-180-1
...: Nonmetallic inclusions; slag, dross, flux G 121 (a) Nonmetallic inclusions whose appearance or analysis shows they arise from melting slags, products of metal treatment or fluxes Slag, dross or flux inclusions, ceroxides G 122 (a) Nonmetallic inclusions generally impregnated with gas...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001818
EISBN: 978-1-62708-180-1
.... The article explains the failure of pressure vessels with emphasis on stress-corrosion cracking, hydrogen embrittlement, brittle and ductile fractures, creep and stress rupture, and fatigue with examples. brittle fracture composite creep rupture ductile fracture fabrication failure analysis...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006784
EISBN: 978-1-62708-295-2
... during subsequent cooling. The use of vacuum melting and the modification of compositions can reduce susceptibility to hydride formation. Hydrogen can often be removed by annealing in vacuum. Welding generally requires the use of inert gas shielding to minimize hydrogen pickup. The hydride particles...