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testing machines

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Published: 01 December 2019
Fig. 2 Testing apparatus, 60,000 lb Tinius Olsen testing machine. Load applied to the drive wrench fastened to a shaft fixture. The load initiates a static torsional load to the test wrench. The product of peak load and drive wrench determine ultimate torque More
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Published: 01 June 2019
Fig. 20 MTS tensile test machine at FZJ in hot cell with manipulators More
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Published: 01 December 2019
Fig. 3 Block diagram of endurance testing machine More
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Published: 01 December 2019
Fig. 4 Endurance testing machine More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001015
EISBN: 978-1-62708-217-4
... to failure with a torque wrench. In no case did the band material fracture. In a second attempt to duplicate the failure, a tensile testing machine was used to pull the two fittings apart while the hose was clamped in place. When the testing machine was operated at maximum head travel (approximately 20...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
... balls surfaces. It discusses the propagation of fatigue cracks involved in rolling contacts. The characteristics of various types of RCF test machines are summarized. The article concludes with a discussion on the various failure modes of silicon nitride in rolling contact. These include the spalling...
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Published: 15 January 2021
Fig. 56 Example of a thermomechanical fatigue (TMF) test rig. (a) MTS servohydraulic testing machine (100 kN) equipped for TMF testing. (b) Induction-heated round specimen More
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Published: 15 January 2021
Fig. 2 (a) Buckled flange (lower arrow) of an extruded aluminum section deliberately loaded with a lateral force (upper arrow). Source: Ref 4 . (b) Medium-length tube tested to buckling instability on special-purpose-designed test machine. Source: Ref 3 More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.matlhand.c9001428
EISBN: 978-1-62708-224-2
... to destruction in a tensile testing machine. At a maximum load of 11.5 tons, failure occurred at the junction of the screwed portion with the underside of the collar, this location being similar to that at which, it is understood, the eyebolt failed in service. The results of Brinell hardness tests...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001759
EISBN: 978-1-62708-241-9
.... Figure 3 shows endurance test rig for universal joint assembly it consists of various parts as mentioned below. Figure 4 shows the actual photograph of Endurance test rig. Fig. 3 Block diagram of endurance testing machine Fig. 4 Endurance testing machine Load Testing Rig...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001810
EISBN: 978-1-62708-241-9
... Abstract Several torsion bars had failed in a projectile weaving machine and were analyzed to determine the cause. Specimens prepared from the damaged components were subjected to visual inspection, hardness testing, chemical analysis, and metallurgical evaluations. The failed torsion bars had...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001583
EISBN: 978-1-62708-217-4
... rods were sectioned from the components by wire EDM, and final machining was performed to achieve the round threaded specimen. ARL fatigue testing results Table 4 ARL fatigue testing results Specimen Area cm 2 (sq 2 ) Stress MPa (ksi) R-Value Frequency (Hertz) Cycles to failure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001520
EISBN: 978-1-62708-235-8
... for a reheat treatment. For parts that cracked after pressure testing, excessive dimensional changes precluded the inclusion of a reheat treatment as a manufacturing step, and further failure was averted by carefully employing proper machining practices, avoiding abusive machining. Chromium plating...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001733
EISBN: 978-1-62708-225-9
... Abstract Drive cables from a rubber processing machine were failing in less than 8 h of operation, the expected service life being much greater than 100 h. Comparison cables were tested to failure under known stress conditions, including tensile overload, torsional loading, reversed bending...
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
...° arc along the periphery of the end of the specimen. There was a stem on the bottom of each anvil that fitted into a radial, greased slot. This design feature allowed the anvil to move in a radial direction as the chip formed. The test fixture was placed in a mechanical testing machine, and the test...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0091358
EISBN: 978-1-62708-233-4
...), and an unused valve body from vendor A that had not been subjected to immersion testing were all sectioned through the end that would be continuously exposed to the soft drink in the vending machine and were examined metallographically at magnifications of 50 to 400×. Numerous stringer-type inclusions...
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
... cells at the LANL CMR building are equipped with an in-cell milling machine, a band saw, optical microscopes, microhardness tester, tensile testing machine, sample polishing equipment, sample etching equipment, and a variety of specialized hardware for handling complex components. The hot cells date...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001907
EISBN: 978-1-62708-217-4
...-7 bolt. Note the flow does not follow the contour of the threads, indicating the threads were cut (machined) rather than rolled. (12.5× magnification) Stress durability testing was conducted on bolts from inventory to verify that the parts did not fail due to hydrogen charging from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001470
EISBN: 978-1-62708-220-4
... from the general irregularities of the hole surface. In order to ascertain if the second impeller could be re-used in the re-built machine, an ultrasonic test of all the rivet holes of the dished and back plate was carried out. Similar cracks were discovered at the edges of the first eight holes...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001850
EISBN: 978-1-62708-241-9
... were prepared for measuring the tensile properties of a particular zone. Tensile tests were carried out using a 10 t capacity electro-mechanically operated Instron testing machine (model 5582) with a cross-head velocity of 10 mm/min at room temperature of approximately 300 K. The results are summarized...