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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
... Abstract This article provides an overview of metal additive manufacturing (AM) processes and describes sources of failures in metal AM parts. It focuses on metal AM product failures and potential solutions related to design considerations, metallurgical characteristics, production...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001771
EISBN: 978-1-62708-241-9
... International , 2002 , p 289 – 311 . 10.31399/asm.hb.v11.a0003517 • Mason P. , Engstrom A. , Agren J. and Hallstrom S. , Simulation of Diffusion in Surface and Interface Reactions , Metals Process Simulation , Vol 22B , ASM Handbook , Furrer D.U. and Semiatin S.L...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c0046911
EISBN: 978-1-62708-227-3
... thick ASTM A285, grade B, steel plate. One joint was welded using the semiautomatic submerged arc process with one pass on each side. A second joint was welded manually by the shielded metal arc process using E6010 welding rod and four passes on each side. The silicon content of the shielded metal arc...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003567
EISBN: 978-1-62708-180-1
... damage to the underlying metal results from direct contact between the abrasive and alloy ( Ref 19 ). The abrasives, along with the solution, serve to slowly remove the corrosion products and enhance the corrosion rate. The extent of this removal process is controlled by the particle size, angularity...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006828
EISBN: 978-1-62708-329-4
... stainless steel brazeability brazed joints brazing failure analysis BRAZING comprises a group of nonfusion joining processes that produce coalescence of materials by heating them to a suitable temperature and by using a filler metal having a liquidus temperature above 450 °C (840 °F) but below...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001391
EISBN: 978-1-62708-215-0
... section from group l, those samples taken in the as-received condition prior to processing. As polished. 87× Fig. 8 An interesting detail on the group 1 resistors was the presence of an amorphous dark-appearing phase dotting the interface between the cermet metallization and the thick-film...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001714
EISBN: 978-1-62708-232-7
... ratio. Metallographic investigations revealed that the surface of the attacked pipes consisted of (Cr, Fe) carbide. The metal dusting was the result of a decomposition process (CO to CO2 + C) that deposited C on the pipe surface. Because of the high temperature, the C subsequently diffused through...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006835
EISBN: 978-1-62708-329-4
.... discontinuities hot forming ingot casting metalworking defects nonferrous forging steel forging wrought metal products Introduction to Failures Related to Hot Forming Processes Wrought forms are produced by a wide variety of metalworking operations that can be roughly divided into bulk-working...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006831
EISBN: 978-1-62708-329-4
..., production method, and/or design. The article also addresses conditions related to the casting process but not specific to any metal group, including misruns, pour shorts, broken cores, and foundry expertise. The discussion in each casting metal group includes factors concerning defects that can occur...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001067
EISBN: 978-1-62708-214-3
... showing branching crack. 5×. Fig. 1 Absorber vessel to remove CO2 from the process gas. Fig. 3 Microphotograph of the crack, showing transgranular path through the base metal. 500×. Abstract The source of cracking in the circumferential weld seam in a JIS-SM50B carbon...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003529
EISBN: 978-1-62708-180-1
... by a “killed” or “deoxidized” process, chemical reactions can continue in the ladle as the metal is being cast. Although the mills often test multiple specimens from a single ladle, they rarely report more than one of the analysis results on the certification. As long as all the elements remain “in spec...
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
... whether the part will be made from metal, plastic, ceramic, or composite. Level II: Determine whether metal parts will be produced by a deformation process (wrought) or a casting process; for plastics, determine whether they will be thermoplastic or thermosetting polymers. Level III: Narrow...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006801
EISBN: 978-1-62708-329-4
... metal, and springback/dimensional. It discusses the processes involved in analytical tools that aid in characterizing the state of a formed part. In addition, information on draw panel analysis and troubleshooting of sheet forming failures is also provided. draw panel analysis fractures necks...
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
..., materials selection, and use problems: for example, underfill, part distortion, and poor dimensional control; tool overload and breakage; excessive tool wear; high initial investment due to equipment cost; poor material use and high scrap loss The movement of metal during these processes, whether...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001049
EISBN: 978-1-62708-214-3
... metal loss. The digester is used to cook wood chips to break down lignin and release fibers, which are natural components of wood. The batch process begins with filling the vessel ( Fig. 1 ) with wood chips and white and black liquor. This slurry is heated to 205 °C (400 °F) under a pressure of 965...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001339
EISBN: 978-1-62708-215-0
... in the process just upstream from the piping failure, mercury liquid metal embrittlement was the suspected mode of failure. The distinctive visual effects on the weld cap of the through-wall crack, such as the branch cracking and the gray staining, supported this hypothesis. Fortunately, this mode of failure...
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
... will be made from metal, plastic, ceramic, or composite. Level II: Determine whether metal parts will be produced by a deformation process (wrought) or a casting process; for plastics, determine whether they will be thermoplastic or thermosetting polymers. Level III: Narrow options to a broad...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001335
EISBN: 978-1-62708-215-0
... process that became concentrated in the recycled skimmings. It was recommended that future material specifications for skimmings and for externally obtained scrap copper include a trace analysis for tellurium. References References 1. Briant L.L. , Acta Metall. , Vol. 35 , 1987 , p 149...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006791
EISBN: 978-1-62708-295-2
...-centered cubic metal with a high level of chemical activity would show very strong adhesion ( Ref 2 ). During the adhesion process and material transfer, particles are removed from one contact surface and either permanently or temporarily attached to the other surface by a cold welding process, thus...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001430
EISBN: 978-1-62708-236-5
... carried out. To the uninitiated on the other hand, welding appears on obviously simple process and the apparent ease with which metal can be deposited has led to many instances of misuse. It has been applied to materials which are only weldable by special procedures, to the indiscriminate building-up...