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steel wire patenting

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Published: 01 June 2019
Fig. 1 Valve springs made from patented and drawn high-carbon steel wire. Distorted outer spring (left) exhibited about 25% set because of proeutectoid ferrite in the microstructure and high operating temperature. Outer spring (right) is satisfactory. More
Image
Published: 01 January 2002
Fig. 6 Valve springs made from patented and drawn high-carbon steel wire. Distorted outer spring (left) exhibited about 25% set because of proeutectoid ferrite in the microstructure and high operating temperature. Outer spring (right) is satisfactory. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0092131
EISBN: 978-1-62708-234-1
... spring and an outer spring (both of patented and drawn high-carbon steel wire) taken from another cylinder in the same engine were examined in the laboratory to determine why one had distorted and the other had not. Investigation (visual inspection, microstructure examination, and hardness testing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001186
EISBN: 978-1-62708-234-1
... of the fracture, but they had no effect on the breakage of the wire. Away from the fracture area, the wire had a normal structure of hyperfine lamellar pearlite (sorbite) of a “patented” and cold drawn steel wire. In the vicinity of the fracture, the cementite of the pearlite was partially spheroidized, while...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001778
EISBN: 978-1-62708-241-9
... , pp. 9 – 92 . The Wire Association Inc. , Branford, CT ( 1975 ) 4. Lewis D. : Patenting . In: Dove A.B. (ed.) Steel Wire Handbook , vol. 2 , pp. 65 – 83 . The Wire Association Inc. , Branford, CT ( 1969 ) 5. Ryder D.A. : General practice in failure analysis...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001646
EISBN: 978-1-62708-219-8
... of Z-profile wires on the outer rope layer were abrasion induced and accentuated by arrays of fine transverse cracks that developed on a surface martensite layer. Surface martensite Wire breakage Steel wire rope Abrasive wear Brittle fracture Steel wire ropes of different constructions...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001800
EISBN: 978-1-62708-241-9
... to a subway rail car or electric trolley car. The remainder of the system details is withheld to protect client confidentiality. The springs were round-wire helical construction, made from patented music wire (carbon steel) that was subsequently electro-galvanized. Untempered martensite is a hard, brittle...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001246
EISBN: 978-1-62708-224-2
... be concluded from the investigation that the temperature did not exceed the Ac3 point of the wire material, which should be about 750 deg C, and that the heating lasted a fairly long time. Cables Cracking (fracturing) Galvanized steels Overheating Wire Cold-drawn steel (Other, general...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001817
EISBN: 978-1-62708-241-9
..., and patented to obtain a very fine pearlite structure (sorbite). The desired microstructure and mechanical properties are controlled and adjusted by carbon content of the steel and subsequent heat treatment. The heat treatment that produces the starting microstructure for wire production is termed patenting...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006797
EISBN: 978-1-62708-295-2
.... 6 ) were examined in the laboratory to determine why one had distorted and the other had not. Fig. 6 Valve springs made from patented and drawn high-carbon steel wire. Distorted outer spring (a) exhibited approximately 25% set because of proeutectoid ferrite in the microstructure and high...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003573
EISBN: 978-1-62708-180-1
... to determine why one had distorted and the other had not. Fig. 6 Valve springs made from patented and drawn high-carbon steel wire. Distorted outer spring (left) exhibited about 25% set because of proeutectoid ferrite in the microstructure and high operating temperature. Outer spring (right...
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
..., where powder or wire is feed into an energy beam that fuses deposits on a build platform or part. During the development of these technologies from the 1980s into the early 2000s, many different terms were used, such as additive fabrication, additive processes, additive techniques, layer...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003528
EISBN: 978-1-62708-180-1
... for most metals. Effect of Corrosion The effect of surface corrosion on measurement response can be demonstrated by an example. A strain gage was attached to the surface of a steel wire on the inner side adjacent to the XRD stress-measurement location of interest. The XRD measurement location...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006768
EISBN: 978-1-62708-295-2
... be demonstrated by an example. A strain gage was attached to the surface of a steel wire on the inner side, adjacent to the XRD stress measurement location of interest. The XRD measurement location was visibly corroded. The wire was then incrementally loaded in tension. The stress was measured using XRD...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006792
EISBN: 978-1-62708-295-2
... failure can generally be idealized by Hertzian contact conditions, but the interpretation of these fields should be approached with caution, because they do not account for variation in properties (e.g., case-hardened steels, coatings), friction, or material inhomogeneities. The primary purpose...
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
... 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 surfaces, dried residues from liquids...