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high-speed steel

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c0089429
EISBN: 978-1-62708-223-5
... Abstract The failure of a high speed steel twist drill which caused injury to the user was investigated thoroughly to settle a legal suit. The drill was being used to remove a stud that broke in the vertical wall of a metalworking machine (upsetter) after drilling a pilot hole. The drill had...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001269
EISBN: 978-1-62708-215-0
... with a high sulfur content. Chemical analysis of high speed steel hob<xref rid="c9001269-tn1" ref-type="table-fn">(a)</xref> Table 2 Chemical analysis of high speed steel hob (a) Element wt% C 0.94 Mn 0.22 P 0.025 S 0.098 Si 0.28 Cu 0.12 Ni 0.26 Cr 4.17 Mo...
Image
Published: 30 August 2021
Fig. 33 Examples of the microstructure of AISI M2 high-speed steel. (a) Desired quenched-and-tempered condition: 1200 °C (2200 °F) for 5 min in salt, oil quench, double temper at 595 °C (1100 °F). Etched with 3% nital. Original magnification: 500×. (b) Grain growth caused by reaustenitizing More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.machtools.c9001250
EISBN: 978-1-62708-223-5
... Abstract A broken cross-recessed die was examined. Examination of the unetched, polished section for impurities revealed several coarse streaks of slag. The purity did not therefore correspond to the requirements set for a high speed tool steel of the given theoretical quality DMo 5. After...
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
...-working and hot-working applications. It reviews problems introduced during mechanical design, materials selection, machining, heat treating, finish grinding, and tool and die operation. The brittle fracture of rehardened high-speed steels is also considered. Finally, failures due to seams or laps...
Image
Published: 01 January 2002
Fig. 14 Light micrograph showing stain (arrows pointing up) from the etchant (Vilella's reagent) that seeped from the shrinkage gap (wide arrows pointing down) between the phenolic resin mount and the specimen of M2 high-speed steel More
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006818
EISBN: 978-1-62708-329-4
... that melted and deformed because of flame impingement during heat treatment. (a) End view. Original magnification: 4.5×. (b) Microstructure in the affected region. Etched with Marble’s reagent. Original magnification: 150× High-speed steel components are particularly susceptible to burning/localized...
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
.... This is indicative of the off-center vibration of the balls, which entrapped hard particles in the process. The particles could be generated from the balls/groove wear or from some other source. The material of the inner and outer races and balls was T1 (tungsten high-speed steel). The high alloying and high...
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
... a hole made in stainless steel with a dull drill bit. Original magnification: ~20× In another example, during holemaking a dull (1.5 mm, or 0.060 in., wear land) high-speed steel drill bit broke at the corner. A portion of the drill bit friction welded to the AISI 410 stainless steel workpiece...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001816
EISBN: 978-1-62708-241-9
... the steel behaves superplastically. An INSTRON 1195 model equipment for traction test with a load capacity of 100 kN was used along with an INSTRON 3112 model furnace which allows reaching temperatures as high as 1000 °C. The tests were conducted without a protective atmosphere at speeds between 0.05 and 10...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001535
EISBN: 978-1-62708-232-7
... beach marks typical of spalling. Visually, the texture of the fracture surface showed a porcelain-like lusterless appearance, usually characteristic of high-speed steel ( Ref 7 ). A linear crack is observed running across the spalled area on to the working surface of the roll ( Fig. 2 ). It is, however...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0091048
EISBN: 978-1-62708-235-8
... with Vilella's reagent followed by electrolytic etching in 10% oxalic acid) supported the conclusion that the heat exchanger cracked due to weld cold cracking or postwelding brittle overload that occurred via flexure during fabrication. The brittle nature of the weld was likely due to a combination of high...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001499
EISBN: 978-1-62708-236-5
... Abstract Three spur gears made from 8622 Ni-Cr-Mo alloy steel formed a straight-line train in a speed reducer on a rail-mounted overslung lumber carrier. The gears were submitted for nondestructive examination and evaluation, with no accompanying information or report. Two teeth on one...
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
... event, the designer should not overlook the possibility of misuse and improper maintenance on the part of the user. Example 1: Failure of a High-Speed Steel Twistdrill A 1.905 cm (0.75 in.) stud broke in the vertical wall of a metalworking machine known as an upsetter . A parallel vertical wall...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001725
EISBN: 978-1-62708-229-7
... Cracks. Magnification 2.5 × Fig. 5 Cross Sections Through Cracks, Respectively Normal and Transverse to the Axis of the Air Hole. Etched in 2% nital; magnification 100 × Chemical analysis showed the retaining ring to be a high-carbon, nickel-manganese-chromium steel of the following...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003569
EISBN: 978-1-62708-180-1
... pressure, the bubbles can collapse suddenly. This collapse can cause surface damage through shock waves and microjets. Shock Waves Surrounding liquid that fills the cavity may have very high speed. When the cavity is reduced to a smaller dimension, pressure in the cavity is so high and the liquid...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001842
EISBN: 978-1-62708-241-9
... considered, did not cause the failure. References References 1. ASTM A 106-14 , Standard Specification for Seamless Carbon Steel Pipe for High-Temperature Service 2. Thomson W.T. , Theory of Vibration with Applications ( Prentice-Hall , Upper Saddle River , 1972 ) 10.1007...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001363
EISBN: 978-1-62708-215-0
... (0.75 in.). The bearing housings and the races were then cut using a high-speed grinder. As shown in Fig. 3 , the bearings exhibited signs of extensive plastic deformation and of reaching extremely high temperatures. The bearing materials were discolored, the races had deep, axially oriented grooves...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c9001578
EISBN: 978-1-62708-233-4
... speed. Due to a high level of frequency dependent response a resonance test was performed by impacting the suction bottle in the direction of the highest motion. The test confirmed that a natural frequency of the suction bottle was being excited by the 2× component of the compressor. The solution...
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
... , 30 ): lubrication failure in the contact region, and the establishment of metal-to-metal contact. Scoring occurs due to the tearing out of small particles that weld together (as a result of sliding forces), overheating (due to high contact pressure and/or high sliding speed), and metal-to-metal...