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tool-chip interface

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001516
EISBN: 978-1-62708-234-1
.... Errors in hard drives appear to be related to vibrations, contaminations, head edge chipping as well as to the machining characteristics of disks. Flexible drives are more tolerant to shocks, vibrations and external contaminants. Soft errors are either a decoupling effect at head disk interface due...
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
... to the PCBs. The cyclic thermal expansions experienced during use can cause considerable thermomechanical fatigue that may result in premature failure of the joints. Finite-element analysis is an ideal design tool for analyzing small integrated circuit chip packages that come in an ever-changing virgule...
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 may result in premature failure of the joints. Finite element analysis is an ideal design tool for analyzing small integrated circuit-chip packages that come in an ever-changing variety of sizes, shapes, and applications. The chips are complex fabrications of silicon or other type of die material...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001780
EISBN: 978-1-62708-241-9
... is through a chip-breaking action as tools cut through the material, rather than tolerating long, stringy chip segments. The MnS inclusions act as discontinuities to allow the chips to break, act as self-lubricating agents, and as antistick agents on the tool. These properties all lead to less power applied...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006770
EISBN: 978-1-62708-295-2
..., backscattered electron imaging When failed components cannot be processed to obtain samples suitable for examination in the SEM, the handheld XRF instruments can be valuable tools for failure analysis. The most popular use of these tools is for performing positive material identification for components...
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 Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003560
EISBN: 978-1-62708-180-1
... Relationship of failure analysis to the design and production of a component. Source: Ref 2 Fig. 22 Scanning electron micrograph showing the surface wear on the disk cutter, which shows elements of indentation/impact and scratching or gouging Fig. 23 Disk cutter, comprised of H13 tool...
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.a0006771
EISBN: 978-1-62708-295-2
..., tubes, printed circuit boards, computer chips, and other whole or partial pieces of devices. While surface analysis tools are used to analyze solid surfaces, dried residues from liquids and even low-vapor-pressure oils and greases can also be evaluated. A small drop or thin layer of the liquid or oil...
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
..., that contact is entirely by sliding with no rolling and that radial contact occurs simultaneously over the full depth of all the worm teeth. Operating Loads Gears and gear drives cover the range of power transmission from fractional-horsepower applications, such as hand tools and kitchen utensils...
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
... from AISI W1 tool steel that failed prematurely in service. (a) The striking face of the carbon tool steel die chipped. The die had been flush quenched through its center hole to harden the working surfaces. (b) Cold etching (10% aqueous nitric acid) of a longitudinal disk through the cracked region...
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
... Control, 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...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003534
EISBN: 978-1-62708-180-1
... be analyzed by one or more of these surface analysis tools. This includes, but is not limited to, wafers, sheets, films, coatings, foils, chunks, powders, wires, tubes, printed circuit boards, computer chips, and other whole or partial pieces of devices. While surface analysis tools are used to analyze solid...
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
..., refer to the articles in the division “Tools and Techniques in Failure Analysis” in this Volume. Bulk Chemical Analysis Microscale Chemical Analysis Chemical Analysis of Nonmetallics Advances in Chemical Analysis Methods for Failure Analysis Acknowledgments References References 1...
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
... of detection (POD), on which the statistical reliability of crack detection is based. The coverage includes the various methods of surface inspection, including visual-examination tools, scanning technology in dimensional metrology, and the common methods of detecting surface discontinuities by magnetic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001597
EISBN: 978-1-62708-236-5
... as evidenced by the orientation of secondary cracking. The woody fracture pre-existed final machining and heat treatment, as evidenced by the disruption of tool withdrawal markings in the oil hole on crank #2. (A similar determination was not possible on crank #1 because the material containing the oil hole...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001809
EISBN: 978-1-62708-180-1
... of the bearing halves where they contacted the shaft after the cap shifted. Fig. 10 Sliding bearings damaged by abrasion by foreign particles. (a) Unetched specimen showing a large foreign particle (arrow) at the interface of a bearing and shaft. 110×. (b) Bearing surface scored by metal chips...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... and Fracture Surfaces,” on pages 78 to 90 in Fractography , Volume 12 of the Metals Handbook , 9th edition (now Volume 12 of the ASM Handbook ). Nondestructive Inspection Although often used as quality-control tools, several nondestructive tests are useful in failure investigation and analysis...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
... processes and relevant tribosystems Table 1 Wear processes and relevant tribosystems Wear process Examples of relevant tribosystems Sliding wear Sliding bearings; cam and tappets; guides; seals; piston rings; disc-pad braking system; forming dies; cutting tools Fretting wear Riveted...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003505
EISBN: 978-1-62708-180-1
... cm (0.50 to 0.75 in.) into the pilot hole, there was a “bang.” The drill shattered, causing a chip to lodge in the right eye of the oiler, ultimately resulting in loss of vision in that eye. Suit was entered against the drill manufacturer alleging a defective drill. The plaintiff's attorney...