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Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440283
EISBN: 978-1-62708-262-4
... Abstract The results of certain heat treating processes must be verified for case quality and case depth by destructively sectioning a part or parts that were subjected to the process. Test coupons or test pins are often used for diffusion processes such as carburizing, carbonitriding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870351
EISBN: 978-1-62708-314-0
..., ASTM D 3410, and ASTM D 6641. There are a number of different methods for determining the shear properties of composites, including the ± 45-degree tensile coupon, the rail shear test, the Iosipescu shear test, and the interlaminar or short beam shear test. The ideal test for shear is...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
... Abstract This chapter addresses in-service monitoring and corrosion testing of weldments. Three categories of corrosion monitoring are discussed: direct testing of coupons, electrochemical techniques, and nondestructive testing techniques. The majority of the test methods for evaluating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460253
EISBN: 978-1-62708-285-3
... coating-only specimens for tensile testing. Based on the hardness measurements and microstructure analysis of the micrograph coupons in screening tests, the following two optimized annealing conditions were identified: 1 h at 300 °C and 1 h at 600 °C. The first condition featured a relatively low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
..., metallurgical condition, and product form, rather than specimens that are the most expedient for the investigation. For example, it might seem advantageous to obtain flat, uniform disk specimens by machining slices from an extruded rod rather than by shearing or stamping test coupons from rolled sheet (and...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720117
EISBN: 978-1-62708-305-8
... forging from which a test coupon can be obtained, from a prolongation of the forging, or in some cases, from separately forged coupons representative of the forging. Machined test pieces are expected to meet size specifications, but to ensure dimensional accuracy, each test piece should be measured...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... Abstract This chapter addresses the challenge of selecting an appropriate stress-corrosion cracking (SCC) test to evaluate the serviceability of a material for a given application. It begins by establishing a generic model in which SCC is depicted in two stages, initiation and propagation, that...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720085
EISBN: 978-1-62708-305-8
... Abstract This chapter discusses the operating mechanism, applications, advantages, and limitations of Brinell hardness testing, Rockwell hardness testing, Vickers hardness testing, Scleroscope hardness testing, and microhardness testing. In addition, the general precautions and selection...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870219
EISBN: 978-1-62708-299-0
... of approximately center of thickness on a plane parallel to the longitudinal center line of the material 7178-T76, T76510, T76511 > 1.500 Subsurface on test coupon surface that is closest to the center of the thickness and on a plane parallel to the extrusion surface. 7075-T73 Drawn tube...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780185
EISBN: 978-1-62708-281-5
... min. Test coupons are either injection molded or compression molded and cut into a standard shape. In practice, injection-molded coupons are usually used. The history of the plastic sample has some influence on tensile properties. A tensile bar prepared by injection molding with a high pressure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... criterion—the total separation of the test coupon. In contrast, failure criterion in strain-controlled fatigue testing (per ASTM E606, Ref 7.10 ) includes: separation, modulus ratio, microcracking (initiation), or percentage of maximum load drop. This flexibility can provide better characterization of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780216
EISBN: 978-1-62708-281-5
... coupon at maximum load when E 3 is 0 and 276 MPa (40 ksi). In a manner similar to the propagating neck of the tensile test, a finite value for E 3 stabilizes the noticeable thinning that occurs immediately under the center of the indenter and forces this process to occur at larger distances from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2011
DOI: 10.31399/asm.tb.cfw.t52860095
EISBN: 978-1-62708-338-6
... Abstract The objective of mechanical testing of an engineered material is to provide data necessary for the analysis, design, and fabrication of structural components using the material. The testing of filament-wound composite materials offers unique challenges because of the special...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
.... , Mechanical Testing and Evaluation , ASM International , 2000 10.31399/asm.hb.v08.9781627081764 6.9 Davis J.R. , Tensile Testing , 2nd ed. , ASM International , 2004 6.10 Boyer R.R. , Boeing Corporation , private communication, 2013 6.11 ATI Wah Chang , private...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... specimen within the component can also be significant. Mechanical property tests for cast components are frequently performed on coupons separately cast for this purpose. Therefore, results from samples from the casting itself may not be directly comparable. Other factors may affect material properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2000
DOI: 10.31399/asm.tb.fec.t65940451
EISBN: 978-1-62708-302-7
..., Test Method for Monitoring of Atmospheric Corrosion Chambers by Quartz Crystal Microbalances • B 810, Test Method for Calibration of Atmospheric Corrosion Test Chambers by Change in Mass of Copper Coupons • B 825, Test Method for Coulometric Reduction of Surface Films on Metallic Test Samples...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030200
EISBN: 978-1-62708-282-2
... corrosion. Various laboratory testing methods of corrosion inhibitors and the methods used to monitor corrosion rates and inhibitor effectiveness are also presented. The chapter ends by providing information on quality control of inhibitors and computerization of inhibitor treating programs. corrosion...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180029
EISBN: 978-1-62708-256-3
... service or operation, improper maintenance, improper testing, assembly errors, fabrication or manufacturing errors, and design errors. The case of the Tacoma Narrows Bridge collapse is presented to illustrate the consequence of overlooked factors, in this case, wind dynamics, and the importance of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280211
EISBN: 978-1-62708-267-9
... explains how the delta phase, which is used to control grain size in IN-718, improves strength and prevents stress-rupture embrittlement. It describes heat treatments for different product forms, discusses the effect of tramp elements on grain-boundary ductility, and explains how section size and test...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610101
EISBN: 978-1-62708-303-4
... with the steps involved in determining strain energy release rates, stress intensity factors, J-integrals, R-curves, and crack tip opening displacement parameters. It also covers fracture toughness testing methods and the effect of measurement variables. crack tip opening displacement elastic...