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hot tension testing

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001752
EISBN: 978-1-62708-241-9
... to 100% b nd—not detected Concentration of elements detected on film at fatigue crack initiation site of LF14 tension-to-tension fatigue test sample from cheek number 8 (in atom %<xref rid="c9001752-n5" ref-type="table-fn"><sup>a</sup></xref>) Table 3 Concentration of elements detected...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001111
EISBN: 978-1-62708-214-3
...Results of Compact tension testing Table 1 Results of Compact tension testing Temperature Fracture toughness (average) °C °F MPa m ksi in. 14 58 60.3 54.9 24 75 61.8 56.2 45 113 64.4 58.6 Predicted life in a 760 mm (30 in.) wide flange...
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
... [ 12 ], the mechanical behavior of the steel must show a strain hardening coefficient n (as measured by a tension test with the ASTM standard) higher than 0.1 in its hot rolling raw state. If this is achieved, the steel can be used for cold work operations such as bending, stretching, and drawing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001221
EISBN: 978-1-62708-219-8
... to rupture. Cables Concrete construction Reinforcing steels Tension tests Wire St 145/160 Ductile fracture During the construction of a prestressed concrete viaduct, several wires 12.2 mm in diameter ruptured after tensioning but before the channels were grouted. They were made of heat...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.conag.c9001723
EISBN: 978-1-62708-221-1
... was placed on the tension side during the test and the specimen cracked in a brittle manner after bending through only 3°. The crack did not penetrate into the runs of weld-metal. This piece, after testing, is shown in Fig. 12 . Fig. 12 Brittle crack in strip from extreme end of tie-bar...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001812
EISBN: 978-1-62708-180-1
... for fatigue fracture of tension-loaded fasteners. Several techniques can be used to avoid failure at this location. The heads of most fasteners are formed by hot or cold forging, depending on the type of material and size of the bolt. In addition to being a relatively low-cost manufacturing method, forging...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006805
EISBN: 978-1-62708-329-4
... in this article. It is important that the rolling operation follow, rather than precede, heat treatment. The head-to-shank fillet is another site for fatigue fracture of tension-loaded fasteners. Several techniques can be used to avoid failure at this location. The heads of most fasteners are formed by hot...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001093
EISBN: 978-1-62708-214-3
... assembly. Fractographic and metallographic examination of the bolt traced the cause of failure to quench cracking, which occurred when the part was water cooled following hot heading and prior to the production run. The process chart for hot heading was changed from water quenching to air cooling following...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003542
EISBN: 978-1-62708-180-1
... influencing the strength results. For example, Fig. 3 shows four disks of MgF 2 , broken in flexure (the ring-on-ring test, in which the disk is placed on a ring and loaded to failure by pressing on the other surface with a smaller, concentric ring; equibiaxial tension is produced within the smaller ring...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0048733
EISBN: 978-1-62708-235-8
.... Metallurgical Tests A section was taken through the longitudinal weld on the same side of the hot well as crack 2. A crack was observed that extended from the notch formed at the root of the weld and the backing strip to about the center of the heater-shell plate. This crack terminated at what appeared...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001724
EISBN: 978-1-62708-234-1
... of the austenitic steel was ±47,000 psi. This is rather low, being about 35% of the ultimate tensile strength, whereas it should be nearer 46% in martensitic steels. The stress conditions in this test (from 47,000 tension to 47,000 compression) were so different from service stressing (from zero to 62,500 psi...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001125
EISBN: 978-1-62708-214-3
...Results of microhardness testing Table 1 Results of microhardness testing Distance from HAZ Hardness, HRA Microstructure (a) mm in. 1 0.04 61 FP 3 0.12 62 FP 5 0.20 60 FP 7 0.28 60 FP 9 0.36 59 DP 11 0.44 62 DP 13 0.52 62 DP 15 0.60...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001822
EISBN: 978-1-62708-180-1
.... In a subsequent study ( Ref 41 ), the Gleeble high strain rate hot-tensile test machine was used to determine the influence of temperature, atmosphere, stress, grain size, strain rate, and amount of copper on LME of iron- and cobalt-base superalloys. A copper contamination of only 0.08-mm (0.003-in.) thickness...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001632
EISBN: 978-1-62708-234-1
... to analysis of the crack, some of the irradiated material from the window was used to measure mechanical properties. Hot cell techniques for preparation of samples and testing were developed to determine true operating conditions of radiation, strain, and temperature. Mechanical tests Neutrons Protons...
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
... operations are also classified as either primary metalworking (where mill forms such as bar, plate, tube, sheet, and wire are worked from ingot or other cast forms) or secondary metalworking (where mill products are further formed into finished products by hot forging, cold forging, drawing, extrusion...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001817
EISBN: 978-1-62708-180-1
... with elevated temperature—for example, at the hot-test parts of heat-exchanger surfaces—the nodule that is formed is hard and is difficult to remove until it has attained considerable size. The temperature may be sufficient to evaporate some of the liquid within the nodule; the corrosive action then becomes...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001251
EISBN: 978-1-62708-235-8
..., the aluminum addition was reduced by one-half. Since then, there have been no additional rejects due to insufficient tensile and bend values. Castings Cracking (fracturing) Flanges Nonmetallic inclusions Tension tests Fe-0.22C GS C 25 (Other, general, or unspecified) fracture In a steel...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001377
EISBN: 978-1-62708-215-0
... MPa (153 ksi) 900 MPa (130 ksi) Proof stress 930 MPa (135 ksi) 830 MPa (120 ksi) Elongation, % min 8 12 Hardness, Brinell max 425 352 min 330 302 Hardness, HRC max 44 38 min 34 32 Stress-corrosion tests: effect of bolt tension and vendor comparison...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001608
EISBN: 978-1-62708-236-5
... test sheet is shown in Fig. 3c . Fig. 3 (a) Hot rolled coils after exposure for 2–4 weeks and 10 weeks in Malaysia; (b) Hot rolled coils after exposure for 34 weeks in Malaysia; (c) Corrosion in 10 days on clean, descaled steel exposed outdoors in Malaysia Insurance of Hot Rolled Steel...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001142
EISBN: 978-1-62708-228-0
... − 0.   0.25 ξ 2 + 0.6 ξ 4 ) sec ( π ξ / 2 ) ( π ξ / 2 ) σ:gross stress (MPa) a:crack length (mm) w: width of specimen (mm) Fig. 10 Dimension of center crack tension specimen for plane-strain fracture toughness test...