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proof testing

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Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003057
EISBN: 978-1-62708-200-6
...Abstract Abstract This article describes testing and characterization methods of ceramics for chemical analysis, phase analysis, microstructural analysis, macroscopic property characterization, strength and proof testing, thermophysical property testing, and nondestructive evaluation techniques...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003256
EISBN: 978-1-62708-176-4
... methods for a group or strand of fibers are the single-filament tension and tow tensile tests. Room temperature strength tests, high-temperature strength tests, and proof tests are used for testing the properties of ceramics. References References 1. Seymour R. , Overview of Polymer...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003060
EISBN: 978-1-62708-200-6
... in detailed design procedure. The article provides information on the proof testing of ceramics, and presents a short note on public domain software that helps determine the reliability of a loaded ceramic component. The article concludes with several design scenarios for gas turbine components, turbine...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003323
EISBN: 978-1-62708-176-4
... for externally threaded fasteners include product hardness, proof load, axial and wedge tension testing of full-sized products, tension testing of machined test specimens, and total extension at fracture testing. Product hardness, proof load, and cone proof-load test are the test methods for internally threaded...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002381
EISBN: 978-1-62708-193-1
... a p . Calculate crack growth life from initial defect size to a p . Replace/retire after calculated life expires (using adequate factor). Plan for structures for which inspection is not feasible, but proof testing is possible Plan IV For components or structures that can be proof...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001478
EISBN: 978-1-62708-173-3
... ( Ref 6 ) or testing techniques include visual, leak, radiographic, ultrasonic, penetrant, thermal transfer, and other methods, each of which is described below. Visual Inspection Leak Testing Proof Testing Acoustic Emission Radiographic Method Ultrasonic Inspection Dye...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0009219
EISBN: 978-1-62708-176-4
...Abstract Abstract This article reviews the planning of fatigue experiments, including the structure of a test plan, randomization, and nuisance variables. The statistical characterization of the S/N (stress/life) or e/N (strain/life) response of a single material tested under a single condition...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002490
EISBN: 978-1-62708-194-8
.... (a) Weibull plot for reaction-bonded silicon nitride. (b) Improved Weibull distributions. (c) Modification of normal distribution by proof testing The Weibull plot can also be used in several other approaches to improved material or part performance. In Fig. 5(a) two line segments are shown (solid...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006671
EISBN: 978-1-62708-213-6
... be increased by moving the whole probability curve to higher stresses. Proof testing subjects a part to stresses in order to eliminate parts having large flaws. Understressing uses a relatively low stress to remove most flawed parts and improve the statistics of failure for a moderate load. Overstressing...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002394
EISBN: 978-1-62708-193-1
...USAF Aircraft Structural Integrity Program tasks Table 2 USAF Aircraft Structural Integrity Program tasks Task I Design information Task II Design analyses and development tests Task III Full-scale testing Task IV Force management data package Task V Force management ASIP master...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001473
EISBN: 978-1-62708-173-3
... in a material, component, or structure, without causing damage. Therefore, the principal advantages of nondestructive tests, as opposed to alternative destructive proof tests, are that a 100% inspection can be performed at manufacture and that monitoring of the structure or component can continue while...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001018
EISBN: 978-1-62708-161-0
... for 3 4 in. diam SAE grade 5 bolts. Fig. 5 Test setup for the proof testing of nuts Fig. 6 Typical strength distributions for 10° wedge tests of 1038 steel cap screws and bolts Fig. 7 Relation of hardness and tensile strength for SAE grade 5 bolts made of 1038 steel...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002476
EISBN: 978-1-62708-194-8
... in the remaining sections of this article. Although it is not discussed in detail here, one approach to improve the confidence in component reliability predictions is to subject the component to proof testing prior to placing it in service. Ideally, the boundary conditions applied to a component under proof...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
..., and wear failures. The article provides information on the synthesis and interpretation of results from the investigation. Finally, it presents key guidelines for conducting a failure analysis. chemical analysis corrosion failure corrosion testing data collection failure analysis fracture...
Book Chapter

By Eugene Shapiro
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003268
EISBN: 978-1-62708-176-4
... curvature Modulus of elasticity Bending proof strength at 0.01% permanent strain GPa psi MPa ksi Convex side up 100.6 14.6 × 10 6 688.8 99.0 Concave side up 100.6 14.6 × 10 6 639.1 92.7 Note: Obtained by three-point bend testing. Results are based on an average of three...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002385
EISBN: 978-1-62708-193-1
... tempered and that the hardness was originally higher at the origin. The cylinders were of welded construction and were made from a deep-drawn 0.13% C plain carbon steel with a yield strength of 326 MPa (47 ksi). Following postweld heat treatment, the cylinders were proof tested by pressurization at 3.1...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001420
EISBN: 978-1-62708-173-3
... a sufficient time (typically 30 days) between welding and proof or tensile testing to allow for precipitate stabilization, thereby ensuring accurate characterization of joint properties. In addition, postweld solution heat treatment and artificial aging, although not practical for large structures, have been...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006346
EISBN: 978-1-62708-179-5
...) 0.2% proof stress, MPa (ksi) … … 257 (37.3) 285 (41.3) Elongation, % … … 6.7 25.3 Modulus of elasticity, GPA (10 6 psi) 108 (15.7) 96.9 (14.05) 158 (22.9) 176 (25.5) Brinell hardness, HB 200 156 150 159 Charpy V-notched bar impact toughness, J (ft ⋅ lbf) At 20 °C (68 °F...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006454
EISBN: 978-1-62708-190-0
... that were inspected using acoustic emission monitoring during proof testing in the fixture shown. Dimensions given in inches. Source: Ref 51 Fig. 1 Basic principle of acoustic emission (AE) method Fig. 2 A primitive acoustic emission wave released at a source is essentially a stress...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006828
EISBN: 978-1-62708-329-4
... proven beneficial for detecting internal imperfections. Many brazements are subjected to leak testing by pressure, vacuum, or other practical methods of testing that are more appropriate to the service application of the assembly. Proof testing is employed when no other nondestructive method can ensure...