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BET method

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Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290009
EISBN: 978-1-62708-319-5
... permeability. Gas adsorption starts with a clean powder surface obtained by heating in a vacuum. That powder is chilled and exposed to varying partial pressures of adsorbing vapors, usually nitrogen. The amount of adsorbed gas reveals the surface area. The measurement is referred to as the BET specific surface...
Book Chapter

By M. B. Kasen
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860413
EISBN: 978-1-62708-348-5
... of the reinforcing fiber over a mandrel to form a filament-wound structure. A third construction method, in which continuous or discontinuous fibers of random orientation reinforce molded plastic structures, has aroused interest because of its lower cost. Conventional sand-and-gravel concretes are the only aggregate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.9781627083447
EISBN: 978-1-62708-344-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.9781627083485
EISBN: 978-1-62708-348-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2010
DOI: 10.31399/asm.tb.hss.t52790123
EISBN: 978-1-62708-356-0
... method that also would not anneal the high-strength steel in the area adjacent to a weld. There was a second problem. Welding created a condition called carbide precipitation in the area adjacent to a weld, a phenomenon that would lead to the loss of corrosion resistance in the area adjacent to the weld...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.t69980323
EISBN: 978-1-62708-342-3
... the productivity and quality of the products in the extrusion process and methods for process optimization. aluminum alloys billets copper alloys hot extrusion induction furnaces machinery 6.1 Machinery and Equipment for Direct and Indirect Hot Extrusion THE MACHINERY AND EQUIPMENT required...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290261
EISBN: 978-1-62708-319-5
... system. BET surface area. The speci c surface area as measured by gas adsorption according to the Brunauer-Emmett-Teller theory. Widely used in characterization of ceramic powders and expressed as square meters per gram (m2/g). bimodal. A particle size distribution exhibiting two mode (mode is the most...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.9781627083195
EISBN: 978-1-62708-319-5
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.ex2.9781627083423
EISBN: 978-1-62708-342-3
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.fdsm.t69870375
EISBN: 978-1-62708-344-7
... components. It also provides information on mechanical property and fatigue testing, the use of hysteresis energy to analyze fatigue, a procedure for inverting equations to solve for dependent variables, and a method for dealing with the statistical nature of failure. cyclic stress-strain test...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900067
EISBN: 978-1-62708-358-4
... in Fig. 5-8 . Eventually, at the M s temperature for the steel, martensite forms, and significant low-temperature expansion occurs as the bet crystal structure of martensite replaces austenite. The densities and thermal expansion characteristics of tool steels are alloy dependent, and Table 5-2 lists...