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pressure impulse testing

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270165
EISBN: 978-1-62708-301-0
...Abstract Abstract Two filtration components installed on a developmental aircraft cracked during pressure impulse testing. Both parts were made from an aluminum alloy, solutionized and aged, and cracked due to fatigue. In both cases, the crack initiated at a transition region on an inner...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500227
EISBN: 978-1-62708-317-1
... continuously and uniformly to every part of the fluid and to the surfaces of its container. Instead, a pressure impulse propagates throughout the fluid. If the propagation velocity is higher than the specific sonic speed in the medium, the pressure impulse is called a shock wave. As soon as this wave strikes...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270045
EISBN: 978-1-62708-301-0
... are described in later sections. Explosive chemicals under suitable impulse undergo decomposition at a very fast rate. This liberates a large amount of energy with the evolution of a large volume of gas at very high pressure and temperature. Particle velocities during explosion can be as high as 8000 m per...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310067
EISBN: 978-1-62708-346-1
...). This corresponds to an abrupt, impulsive impact of the indenter on the test material. The indenter can thus be shot like a bullet to the target surface, or the indenter can already rest on the surface before the force is abruptly applied from the outside, for example, by a hammer. It is important that the kinetic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200197
EISBN: 978-1-62708-354-6
... ultrasonic testing for radiography was 2 to 1 for this example. Greater savings are usually obtained. ASTM has prepared a recommended practice for ultrasonic testing of steel castings (A609) which is revised periodically to satisfy the most stringent purchaser requirements. Pressure Testing...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870085
EISBN: 978-1-62708-299-0
... ). The operative words in this definition are “impacts by liquid drops or jets.” Liquid impingement erosion connotes repeated impacts or collisions between the surface being eroded and small discrete liquid bodies. The significance of the discrete impacts is that they generate impulsive contact pressures...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.tt2.t51060251
EISBN: 978-1-62708-355-3
... involved in determining strain rate effects in tension by conventional tensile tests and covers expanding ring tests, flat plate impact tests, split-Hopkinson pressure bar tests, and rotating wheel tests. high strain rate testing load rate tensile testing HIGH STRAIN RATE TENSILE TESTING...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870333
EISBN: 978-1-62708-314-0
... ,” Report DOT/FAA/AR-96/75, Office of Aviation Research , Apr 1997 2. Nondestructive Testing , ASM Handbook , Vol 21 , Composites , ASM International , 2001 , p 699 – 725 10.31399/asm.hb.v21.a0003436 Selected References Selected References • Armstrong K.B. and Barrett...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250249
EISBN: 978-1-62708-345-4
... irons Same Speed of heating Few seconds to few minutes 1–10 s Depth of hardening 1.2–6.2 mm (0.050–0.250 in.) 0.4–1.5 mm (0.015–0.060 in.); 0.1 mm (0.004 in.) for impulse Processing One part at a time Same Part size No limit Must fit in coil Tempering Required Same Can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2005
DOI: 10.31399/asm.tb.faesmch.9781627083010
EISBN: 978-1-62708-301-0
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2007
DOI: 10.31399/asm.tb.pmsspmp.t52000167
EISBN: 978-1-62708-312-6
... on drilling, which perhaps is quite appropriate because machining difficulties are greater with drilling, and also because drilling constitutes a large part of all PM stainless steel machining. Although the test parameters as well as the criteria used for evaluating machinability do differ from one study...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290207
EISBN: 978-1-62708-306-5
...) or for corrosion resistance. On the other hand, selection may be dictated by a complex system of specification and qualification controls. The extent and complexity of the system needed are usually dictated by the probable cost of a fastener failure. Adequate testing is the safest method of guarding against...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.9781627083461
EISBN: 978-1-62708-346-1
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350043
EISBN: 978-1-62708-315-7
... combinations of engineering materials and coatings. It also describes the causes and effects of the most common forms of wear, the conditions under which they occur, the role of lubrication, and wear testing methods. friction coefficient lubrication wear wear testing FRICTION, WEAR...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310025
EISBN: 978-1-62708-346-1
...Abstract Abstract This chapter describes the procedures, characteristics, and applications for static hardness test methods. It addresses test methods that are state of the art, commonly used, or that may find increased use due to certain advantages. The methods addressed are Rockwell hardness...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230001
EISBN: 978-1-62708-351-5
.... Of these, explosion welding is the most “exotic” form of pressure welding; controlled detonation is used to force metal workpieces together under a rapid impulse. During this event, air between the parts is expelled in the form of a supersonic jet, which strips away surface oxides and causes localized heating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110153
EISBN: 978-1-62708-247-1
... a specific region of a bowed device under test (DUT) can be selected for targeted lapping through tilt adjustments of the Microhub assembly sample holder. Figure 9 1064 nm image of a DUT thinned to < 4 µm at the target location (center of concentric rings of fringes). The regular array of small...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250089
EISBN: 978-1-62708-345-4
... high-hardness steels (40 HRC and above). Gear honing is a particularly effective method of removing nicks and burrs from the active profiles of the teeth after heat treatment. Lapping is a low-speed low-pressure abrading operation used to refine the tooth surface and to reduce noise levels in gear sets...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.9781627083515
EISBN: 978-1-62708-351-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860163
EISBN: 978-1-62708-348-5
...) of organic fluids, usually prepared by mixing with liquid nitrogen ( Rondeau, 1966 ). Some of the temperatures attainable by this method are listed in Table 5.2 . The temperatures of the liquid-gas baths are dependent on pressure and, thus, on elevation; for example, liquid helium boils at 4.0 K in Boulder...