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chip-forming processes

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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
... Abstract Several surface-mount chip resistor assemblies failed during monthly thermal shock testing and in the field. The resistor exhibited a failure mode characterized by a rise in resistance out of tolerance for the system. Representative samples from each step in the manufacturing process...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001625
EISBN: 978-1-62708-218-1
... damaged from contact with a ferrous material, such as a steel chip. Areas exhibiting localized mechanical damage have a tendency to retain processing fluids because conventional cleaning processes are often not able to fully remove such materials from surface recesses. Concluding Remarks...
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
... tool wear, workpiece rejections, and failures. Unmanaged cutting tool wear is a major cause of workpiece rejection and in-process failure. The normal machining loads on the wear surfaces of the cutting tool are high, and the cutting chips and workpiece that apply these loads are moving rapidly over...
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
..., 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 kPa (140 psi) for approximately 2 1 2 h. The digested material is then discharged...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003566
EISBN: 978-1-62708-180-1
... macrostructure metallography microstructure railway applications spalling spall-resistant metals striking tools SPALLING is a type of surface damage where material separates from the surface in the form of flakes or chips. The depth and area of material separation from spalling is usually more...
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
... and breakage; excessive tool wear; poor material use; high scrap loss The movement of metal during these processes, whether performed at room temperature or at elevated temperatures, makes them common sources of surface discontinuities, such as laps, seams, and cold shuts. Oxides, slivers or chips...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006448
EISBN: 978-1-62708-217-4
... face of bearing 2 differed slightly from the two fractures seen on bearing 1 in that there was a chip missing on the outer edge of the bearing. Optical examination of the bearings revealed numerous corrosion pits on the inner diameter of the failed bearings and on bearing 3, which had not failed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0091853
EISBN: 978-1-62708-223-5
... mechanism, also illustrated in Fig. 5 , particles are oriented so a “sharp” edge is presented to the grinding plate, and these particles cut into the plate and remove a chip from the surface. The chips are discontinuous, due to the flake graphite incorporated in the gray cast iron. The gouging, cutting...
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
... with the details of metal processing methods and service conditions that may have altered the composition. In fact, any tool that is used to machine chips that are analyzed can actually contaminate the specimen. Extreme care by an experienced metals chemist is the minimum requirement for important analysis...
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
... sulfur that is added to form manganese sulfide for machinability. Similarly, castings may contain entrapped sand, refractory, and so on. Wrought products also can have flaws that carryover from casting such as: Chips from spatter (entrapped splashes) during the pouring of into a mold...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... stress levels. It involves both cutting and tearing types of wear, in which small chips of metal are removed from the wearing surface by the movement of the sharp points of rock, under considerable pressure, over the wearing surface. This type of action is very similar to machining by a cutting tool...
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
..., radio frequency. Source: Ref 3 Metal chips, shavings, or cuttings that are not suitable for OES analysis can be analyzed by ICP-OES techniques. A sample mass of at least 100 mg is preferred to obtain high-precision results with low detection limits. Lower sample masses can be analyzed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003526
EISBN: 978-1-62708-180-1
... that must be analyzed, and many of the critical materials have nonlinear properties. There are micro-heat-generation sources inside chip packages and global printed circuit board cooling considerations that interact. These temperature conditions cause macrothermal distortions of the entire printed circuit...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
... surfaces under high stress levels. It involves both cutting and tearing types of wear, in which small chips of metal are removed from the wearing surface by the movement of the sharp points of rock, under considerable pressure, over the wearing surface. This type of action is very similar to machining...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006773
EISBN: 978-1-62708-295-2
... makes analysis of microelectronic components complex is that there are considerable thermal transient and cyclic effects that must be analyzed, and many of the critical materials have nonlinear properties. There are micro-heat-generation sources inside chip packages and global printed circuit board...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001648
EISBN: 978-1-62708-234-1
... to form numerous manganese sulfide (MnS) stringers throughout the material matrix. These stringers serve to promote chip formation during machining operations, allowing the material to be machined more easily than otherwise comparable grades of stainless steel that lack chip-forming inclusions. Results...
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
... performed at room temperature or at elevated temperatures, makes them common sources of surface discontinuities, such as laps, seams, and cold shuts. Oxides, slivers or chips of the base material, or foreign material also can be embedded into the surface during working. These surface imperfections produce...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... type of discontinuity Allows the whole volume of the structure to be inspected nonintrusively in a single loading operation Aircraft, bridges, welds, metal forming, composite and metal pressure vessels, piping Replica two-part silicon compound (now more widely used than acetate tape techniques...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001696
EISBN: 978-1-62708-234-1
.... Similar examination disclosed the presence of corrosion products and debris, consisting of titanium-bearing paint chips, sulfur, and potassium, on the exterior surface of the tube. EDX/S disclosed no evidence of a protective coating on the mottled, pitted regions on the exterior of the tubing. Inductively...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.9781627083294
EISBN: 978-1-62708-329-4