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compressive testing

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Published: 15 January 2021
Fig. 15 Twist compression test setup. Source: Ref 101 More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048498
EISBN: 978-1-62708-234-1
... Abstract A graphite-epoxy tapered-box structure, which consisted of two honeycomb skin panels fastened to a spanwise spar with intermediate chordwise ribs, fractured during testing. Hinge-line deflection of the front spar was revealed. Through-thickness cracks in the forward and trailing edges...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006761
EISBN: 978-1-62708-295-2
... techniques and discusses the advantages and limitations of each technique when used in failure analysis. The focus is on various types of static load testing, hardness testing, and impact testing. The testing types covered include uniaxial tension testing, uniaxial compression testing, bend testing, hardness...
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 Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001491
EISBN: 978-1-62708-217-4
... reduced mechanical properties including tension and compression in the bias direction as compared to nozzles which passed proof tests. Warp direction mechanical properties could not be used to predict pass or fail in a proof test. II. Nozzle Insulation History in Proof Testing The convergent...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001781
EISBN: 978-1-62708-241-9
.... The spectrometer uses the Spark Analyzer Vision Software and is well suited for applications like die cast or injection molding and for standard requirements in steel or non-ferrous foundries, as well as in multi-matrix applications. Following the spectrometer reading, mechanical compression tests were completed...
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
... modes of adhesive wear including scoring, scuffing, seizure, and galling, and describes the processes involved in classic laboratory-type and standardized tests for the evaluation of adhesive wear. It includes information on standardized galling tests, twist compression, slider-on-flat-surface, load...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006928
EISBN: 978-1-62708-395-9
... thermoplastics D3419 10724 In-line screw-injection molding of test specimens from thermosetting compounds D3641 294-1,2,3 Injection molding test specimens of thermoplastic molding and extrusion materials D4703 293 Compression molding thermoplastic materials into test specimens, plaques, or sheets...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c0090626
EISBN: 978-1-62708-218-1
... peened for 60 min were found to fail at much more than 500,000 cycles in fatigue tests. Thus, in this example, the suspicion that inadequate compressive residual stresses were imparted by the peening process was validated, and the validity and effect of the proposed corrective action was substantiated...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001533
EISBN: 978-1-62708-225-9
... Steam turbines Wear tests Sn-13.5Sb-6.0Cu Sn-11.9Sb-4.5Cu Babbit (Other, miscellaneous, or unspecified) wear 1. Introduction The reliable operation of sliding bearings determines to a considerable extent the life and reliable operation of the steam turbine as a whole. 1 , 2 The cases...
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
... As received 76 11 A As received 240 35 A Stress-received at 538 °C (1000 °F) for 1 h 19 2.7 A Shot-cleaned 510 74 (a) X-ray diffraction. Precision, ±55 MPa (8 ksi) In further investigations of the effect of compressive residual stresses, stress-corrosion tests were conducted...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001547
EISBN: 978-1-62708-225-9
... for 17-7 PH CH900 and for Custom 455 CH850 stainless steels. Laboratory testing of these two materials in the form of compression springs confirmed the superiority of the 17-7 PH over Custom 455. Aerospace components Coil springs Surface defects 302 UNS S30200 17-7 PH UNS S17700 Custom 455...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001600
EISBN: 978-1-62708-217-4
...). The purpose of this testing was to compare the residual stress values at increasing depth below the surface. Again, measurements were taken in the longitudinal and transverse directions. The results ( Table 11 ) showed that the OEM component had a compressive layer of higher magnitude than the IT component...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001303
EISBN: 978-1-62708-215-0
... extensive cracking around each bolt hole. −0.21×. Testing Procedure and Results Metallography Microstructural Analysis Sections were taken from the cracked region and prepared for metallographic examination. The structures were typical of modified aluminum-silicon alloys. Some variations...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001054
EISBN: 978-1-62708-214-3
... or extensive corrosion at the interface in tests conducted in air saturated with water vapor at zero applied stress Related evidence of stress corrosion was the frequent shift of fracture modes that occurred with stress level on the fracture surface: Ductile rupture of the silver on the compression...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c9001220
EISBN: 978-1-62708-225-9
... Abstract A helical compression spring with ten turns made of 1.8 mm thick wire which was under high pressure during tension applied to a rocker arm broke on the test stand in the third turn. The fracture was a torsion fracture that initiated in the highly loaded inner fiber and showed in its...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001119
EISBN: 978-1-62708-214-3
.... Effective shot peening should be performed to provide compressive residual stresses at the spring surface. Further X-ray diffraction and hardness testing may be required to assess the effectiveness of any new processing technique. Selected References Selected References • Maker J.H...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001679
EISBN: 978-1-62708-229-7
... MP Fig. 3 Dye-Penetrant Test from 1990 MP Another design that has been examined recently is the shrink-fit, EB weld technique to connect the diffuser tube to the top flange. The shrink fit was used to place the origin of cracking (inside surface of necked region) in compression...
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
... ), where thousands of grains are sampled in a typical measurement. When the material is in tension, the d -spacing increases in the direction of stress, and when the material is in compression, the d -spacing decreases. The presence of residual stresses in the material produces a shift in the XRD peak...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001783
EISBN: 978-1-62708-241-9
...-Notch testing [ 2 ]. Furthermore the 0.2% offset compressive yield strength of A2 tool steel is 1,350 MPa (196,000 psi) when hardened to 50 HRC. This value was a bit lower than D2 and may be more favorable when considering abrasive wear with the bushing material. The end result was that A2 could...