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chip-forming processes

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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
... that the surface of the part may have been 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...
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
... the surface in the form of flakes or chips. The depth and area of material separation from spalling is usually more extensive than pitting damage. Spalling occurs under various conditions, and specialized terms are sometimes used to characterize spalling damage under specific conditions. For example...
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
... in the resistance values, resulting in circuit nonperformance at inappropriate times. The low termination strength was attributed to deficient chip design for the intended materials and manufacturing process and exacerbated by the presence of polymeric contamination at the termination interface. Delaminating...
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
... that the corrosion products associated with the fissure were iron and nickel sulfides. Most Probable Cause Remedial Action How Failure Could Have Been Prevented 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...
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
... a properly performed standard-certification verification can be very misleading to an inexperienced failure analyst. Common wet chemical analysis methods for metals include atomic absorption, where a beam of light is directed through a solution of known concentration prepared by dissolving metal chips...
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
... 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 cooling considerations...
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
...; identifies location of discontinuity rather than 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...
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
.... 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 boards (PCBs) as well as microdistortions at the solder joints that connect the chips...
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
... 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. In gouging abrasion, the wearing...
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
... spectroscopy system. RF, 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...
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
... the layers of copper, ordinary ductile metal chips form by shearing. The chips tend to flow up the rake face of the drill bit and deposit in the flute, causing copper buildup on the edge. Although rock crushing and mineral comminution components are expected to lose surface material during...
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
... 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, and plowing process continues until the thickness...
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
... microstructure. Type 416 is also alloyed to promote machinability. This feature is accomplished by additions of both manganese (Mn) and sulfur (S), which combine to form numerous manganese sulfide (MnS) stringers throughout the material matrix. These stringers serve to promote chip formation during machining...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001815
EISBN: 978-1-62708-180-1
... or spalling), rolling contact, thermal fatigue Impact Tooth bending, tooth shear, tooth chipping, case crushing, torsional shear Wear Abrasive, adhesive Stress rupture Internal, external Fatigue Fatigue failure results from cracking under repeated stresses much lower than the ultimate...
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
... ). The fracture 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...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.9781627082952
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.c9001755
EISBN: 978-1-62708-241-9
... of the bearing was much higher than the specified 5000 working hours. However, in this specific case, after 683 operating hours, metal particles were observed on the magnetic chip detector fitted on an oil scavenge line. The composition of the particles was 18% W, 4% Cr, 1% V, with the balance iron. The oil...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001814
EISBN: 978-1-62708-180-1
... the striking face of a 38-mm (1.5-in.) diam × 64-mm (2.5-in.) long header die made from AISI W1 (1.0% C) tool steel that failed early in service due to chipping at the striking surface. Macroetching of a disk cut longitudinally through the die at the broken region revealed that the case around the striking...
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: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006759
EISBN: 978-1-62708-295-2
... or ground with 60-grit grinding paper. ICP-OES requires chips for acid digestion. Qualitative methods require subjective judgement by an experienced user to interpret the data and the results are not considered accurately quantifiable. Some methods allow for the results to be easily manipulated or biased...