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water-break test

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870025
EISBN: 978-1-62708-299-0
... alloys have been standardized in ASTM G 69 ( Ref 6 ). The experimental procedure described in this standard uses an oxygenated saltwater test solution that has 58.5 g of NaCl and 9 mL of 30% H 2 O 2 added per liter of distilled or deionized water. Table 5 provides a listing of solution potentials of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
... corrosion tests Test Conditions Information Simulated atmospheres Condensed water climate test Saturated water vapor Behavior in humid environment Condensed water alternating climate test Water vapor + SO 2 , temperature change As in condensed water climate test, with polluted gas...
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
... Based on the loss in mass of the coating after immersion in a warm phosphoric-chromic acid solution D 930 Method for Total Immersion Corrosion Test of Water-Soluble Aluminum Cleaners Determines the corrosive effects of water-soluble aluminum cleaners (nonetching type) on aluminum alloys, under...
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
... hardness) and untempered water hardening tool steel into 100 units. The scale is continued above 100 to permit testing of materials having a hardness greater than that of fully hardened tool steel. The term microhardness usually refers to indentation hardness tests made with...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090367
EISBN: 978-1-62708-266-2
... either constant-strain or constant-load tests. When localized stress-corrosion cracks propagate in a specimen stressed by either method, the average tensile stress on the net section increases rapidly until the notch fracture strength is reached and the specimen breaks ( Fig. 17.5a ). Less penetration...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720393
EISBN: 978-1-62708-305-8
... weighing in water, any weight gain indicates that water has entered the pores. Although not a standard procedure, volume can be approximated as the weight in air after removing the part from the water, minus the weight in water. To prevent infiltration of water, all three standard test methods require...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780185
EISBN: 978-1-62708-281-5
... possible to have a recoverable strain in glassy polymers of 5% or more. At such large strains, it is possible for the assumptions of small-strain elasticity to break down. Any standard test procedures based on small-strain elasticity may have to be modified to account for large elastic strains. The...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... breaking the specimen. This energy, h – h ′, expressed in newton-meters (or joules, J) or foot-pounds (ft·lb), is called the impact energy of the material being tested. The two most common impact tests are the Charpy and Izod tests. They differ mainly in the manner in which specimens are held and...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1984
DOI: 10.31399/asm.tb.mpp.t67850334
EISBN: 978-1-62708-260-0
... Abstract Hardness tests provide valuable information about the quality of materials and how they are likely to perform in different types of service. This chapter covers some of the most widely used hardness testing methods, including Vickers, Rockwell, and Brinell tests, Shore scleroscope and...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
... Abstract This chapter provides an overview of the various inspection methods used with metals and alloys, namely visual inspection, coordinate measuring machines, machine vision, hardness testing, tensile testing, chemical analysis, metallography, and nondestructive testing. The nondestructive...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... potential(s) Surface-breaking crack or defect depth (potential drop technique). Corrosion or wastage rate (continuous or intermittent monitoring technique). Integrity of surface coatings (nondestructive) Simple techniques for on-site or in situ testing and monitoring. Interpretaion relatively easy. May be...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480113
EISBN: 978-1-62708-318-8
... start a brittle crack) on the tension edge. When the specimen is struck on the edge opposite the weld, a crack starts and grows through the weld and into the material. The amount of energy required to break the specimen is a measure of crack propagation energy (fracture toughness). The test...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780153
EISBN: 978-1-62708-281-5
... a xenon arc light source or with both a carbon arc and xenon arc that are used independently for tests involving either light source. There are two ASTM International test methods that reference the use of a UV light source without water exposure. ASTM G 23-81 ( Ref 3 ) cites the single enclosed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780305
EISBN: 978-1-62708-281-5
... Abstract This article discusses the molecular mechanism, environmental criteria, and material optimization of environmental stress crazing (ESC) in glassy thermoplastics, polyethylenes, and nylons. In addition, it provides information on various tests used to determine relative susceptibility...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720293
EISBN: 978-1-62708-305-8
... inspection. Casting defects including porosity, oxide films, inclusions, hot tears, metal penetration, and surface defects are reviewed. Liquid penetrant inspection, magnetic particle inspection, eddy current inspection, radiographic inspection, ultrasonic inspection, and leak testing for castings are...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870045
EISBN: 978-1-62708-299-0
... discusses the problem of crevice corrosion and how it is influenced by crevice geometry and operating environment. The discussion covers the most common forms of crevice corrosion, including water staining, poultice corrosion, and filiform corrosion, along with related testing and prevention methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440027
EISBN: 978-1-62708-262-4
... steel, after heating above A 3 and quenching in water, shows a hardness of 65 HRC (near the limit for most steels as measured by Rockwell testing); does this establish it as a high-hardenability steel? and (b) after heating and quenching, a specific steel registers only 35 HRC; is it a low...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 February 2005
DOI: 10.31399/asm.tb.chffa.t51040067
EISBN: 978-1-62708-300-3
... chapter also describes several test methods for evaluating lubricants and explains how to interpret associated test data. cold forging friction hot forging lubrication In forging, the flow of metal is caused by the pressure transmitted from the dies to the deforming...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050245
EISBN: 978-1-62708-311-9
.... When the workpiece is inspected for cracks, it should be cooled to room temperature in the same manner as it will cool in production. (Setup personnel have a tendency to take a warm or hot workpiece out of the coil and then water cool so that testing can be done.) As discussed above, various types of...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780359
EISBN: 978-1-62708-281-5
... tensile test. This testing is performed on a dumbbell-shaped specimen and is outlined in ASTM D 638. Tensile testing provides data regarding the yield point in the form of yield strength and elongation at yield, the break properties as tensile strength at break and elongation at break, and the stiffness...