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Book Chapter

By Peter J. Blau
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003242
EISBN: 978-1-62708-199-3
... sliding wear and impact wear in printing presses, or erosive wear and abrasive wear on extrusion machine screws for plastics. Sometimes wear can operate in the presence of corrosive or chemically-active environments, and synergistic chemo-mechanical effects are possible. Selection of appropriate wear test...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
... can be attained by the Brinell hardness test can be greatly influenced by the surface smoothness of the workpiece being tested. The surface of the workpiece on which the Brinell indentation is to be made must be filed, ground, machined, or polished with emery paper (3/0 emery paper is suitable) so...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009010
EISBN: 978-1-62708-185-6
... explains the cavitation mechanism and failure modes that occur during hot-tension testing. cavitation commercial alloys conventional isothermal hot-tension test ductility Gleeble machine Gleeble testing hot tension testing THE DEVELOPMENT of successful manufacturing techniques for metallic...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003243
EISBN: 978-1-62708-199-3
... surface condition of the test specimens, particularly smooth specimens, has a significant effect on the test results. Smooth test specimens are often tested with a mechanically (machined or abraded) or (electro)chemically treated surface. It is very important to avoid or to remove machining marks or...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... machines, the x-ray beam diverges from the source onto a large surface for detection. This involves magnification ( Fig. 17 ), because the shadow of the object (test piece) is always farther from the source than the object itself. Therefore, as illustrated for a point source in Fig. 17 (a), the dimensions...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003044
EISBN: 978-1-62708-200-6
.... Overall specimen length is 229 mm (9 in.), with a test section of 152 mm (6 in.). Specimens should be precision machined from plates with tabs bonded on. The ASTM standard recommends 0°/90° cross-ply tabs made from unidirectional nonwoven E-glass. Other orientations and/or tab materials may prove...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009007
EISBN: 978-1-62708-185-6
... modification of the partial-width indentation test, imposes more severe strain in the rib for testing highly ductile materials. In this test, a hole or a slot is machined in the slab-type specimen adjacent to where the anvils indent the specimen. Preferred dimensions of the hole and slot are given in Fig. 13...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009009
EISBN: 978-1-62708-185-6
... carried out in a servohydraulic machine such as that shown schematically in Fig. 1 . Because strain-rate effects are large in high-temperature testing, it is important to use an apparatus with high machine stiffness. The furnace that surrounds the specimen is usually of resistance, radiant-heating, or...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.9781627081764
EISBN: 978-1-62708-176-4
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
... Macroindentation hardness testing Rockwell hardness Hardness Need smooth surface finish, flat surface, and parallel sides Sample must fit within the machine and be balanced on the pedestal Brinell hardness Hardness Need smooth surface finish, flat surface, and parallel sides Sample must fit within the...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009011
EISBN: 978-1-62708-185-6
... test has been carried out to this point. The torsional mode of mechanical testing, and hot torsion in particular, is not as widely applied as tension, so that there are few commercially available machines. Instead, the apparatus is commonly designed for the specific needs of the individual researcher...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003030
EISBN: 978-1-62708-200-6
.... Method B calls for a “bonded abrasive abrading machine” that is capable of testing multiple specimens. The grade of abrasive material, load, and length of time can all be varied as needed. A standard zinc calibration specimen is included with each run of test specimens. Volume loss is calculated and...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009012
EISBN: 978-1-62708-185-6
... the geometry shown in Fig. 1 ( Ref 2 ) are machined in a chordal orientation. This ensures that the shear strain during torsion testing is in the same orientation as the dominant shear deformation during extrusion. Fifteen specimens are deformed, one at each combination of five working temperatures...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003025
EISBN: 978-1-62708-200-6
... within 0.5 to 5 min. Most testing machines are capable of measuring from 0.05 cm/min (0.02 in./min) to 50 cm/min (20 in./min). When measurement is taken at a high strain rate, the elongation at break tends to be shorter and the yield stress tends to increase ( Ref 21 ). The ultimate strength for most...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005341
EISBN: 978-1-62708-187-0
... have high intrinsic value or high safety value. It is generally reasonable to test these parts at 100%. PCRT works most efficiently as an on-the-floor factory test. Depending on the circumstances, it can be used with premachined parts or machined parts. The potential limitations to the use of PCRT...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003228
EISBN: 978-1-62708-199-3
... Abstract This article reviews nondestructive testing (NDT) and inspection techniques, namely liquid penetrant, magnetic particle, ultrasonics, X-ray, eddy current, visual and radiography that are commonly used to detect and evaluate flaws or leaks in an engineering system. This article compares...
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 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: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001302
EISBN: 978-1-62708-170-2
.... Although many of these test configurations are one-of-a-kind machines, others are available as commercial units. Standards related to wear and erosion testing are listed in Ref 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , and 15 . These standards do not suggest adequate test...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0009013
EISBN: 978-1-62708-185-6
... Wedge test specimen. (a) As-machined specimen. (b) Specimen after deformation. Source: Ref 12 An important practical application of this test helps the process engineer determine the optimal reduction-anneal sequence for obtaining a recrystallized structure after breakdown of a cast ingot. In...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003027
EISBN: 978-1-62708-200-6
... map is a half wavelength of the source light. Some curved surfaces are tested using very accurate coordinate measuring machines built for that purpose. Some of these machines are accurate to nearly 0.025 μm (1 μin.). Flat surfaces are sometimes tested with test glasses, interferometers, or...