1-20 of 44 Search Results for

BET method

Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006107
EISBN: 978-1-62708-175-7
... in these processes are also provided. BET method density gas adsorption mercury porosimetry permeametry porosity powders pycnometry surface area A LARGE NUMBER OF INDUSTRIES deal with powders at some point during their processing procedures. The characterization of surface area, porosity, density...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003437
EISBN: 978-1-62708-195-5
... Permeability Fisher subsieve sizer 0.2–50 Surface area Gas adsorption (BET) 0.01–20 BET, Brunauer-Emmett-Teller. Source: Ref 4 One method uses a laser to pass a light beam through a suspension of particles. Dispersing the particles in a liquid, such as water, produces a suspension...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006096
EISBN: 978-1-62708-175-7
... subsieve sizer 0.2 ∼ 50 8 × 10 −3 to 2 Surface area Gas adsorption (BET) 0.01 ∼ 20 4 × 10 −4 to 0.08 BET, Brunauer-Emmett-Teller With these different methods, it is important to understand that measurement methods are based on different analytical models (see, for example, the grouping...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006649
EISBN: 978-1-62708-213-6
... than a coarser powder. To determine the surface area of a powder, a physical adsorption method based on the Brunauer-Emmett-Teller (BET) equation is used, commonly through gas adsorption. The adsorptive gas, such as nitrogen gas, forms a monolayer molecule on all accessible particle surfaces...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006065
EISBN: 978-1-62708-175-7
... of the particles. Powders atomized in air show a larger specific surface than inert gas-atomized powders due to the irregular shape. Figure 17 shows specific surface area of aluminum powders measured by the method of gas adsorption (BET). Fine air-atomized powders can have specific surface area values...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006090
EISBN: 978-1-62708-175-7
...  Mercury (Hg), mg/kg <0.25 1 <0.1 Physical Bulk density, g/cm 3 2.03 2.41 2.29 Particle size (b)  D 50 , μm 24.9 112.9 49  D 90 , μm 47.7 178 81.6  <100 mesh, % 100 100  <325 mesh, % 97.5 18 72 BET surface area (c) , m 2 /kg 290 70 80...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004022
EISBN: 978-1-62708-185-6
... chain constraints, or myriad other issues, the “optimal design” would really not be a true optimum. It is true that finding the right values for the weighting factors is not simple. But given the interaction between competing objectives, it may be premature to bet on a design just on the basis of past...
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: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006032
EISBN: 978-1-62708-175-7
... on (a) green strength and (b) green density. Solid and porous iron powders pressed at 414 MPa (30 tsi) using die wall lubrication. Figures in parentheses signify BET-specific surface areas and average intraparticle pore sizes of powders. Effects of Lubricants Increasing the amount of additives also...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0005547
EISBN: 978-1-62708-161-0
... Cast Iron Research EBW electron beam welding transformation Association EDS energy-dispersive spectroscopy temperatures in steel EDXA energy-dispersive x-ray analysis bet body~centered tetragonal ACD annealed cold drawn ELI extralow interstitial ACI Alloy Casting Institute BID Brinell indentation...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003052
EISBN: 978-1-62708-200-6
... a description of the comminution process (wet and dry milling methods), it discusses batching and mixing operations and granulation methods. The article also deals with the effect of process variables and the steps involved in chemical synthesis, including preparation from solution and gas-phase reactions...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002425
EISBN: 978-1-62708-194-8
..., and time. Several recent business decisions give insight to these claims: To avoid losing market share, all U.S. commercial airplane manufacturers have offered contracts to deliver aircraft at prices that are below current cost ( Ref 1 ). The companies are betting that they can remain profitable...
Series: ASM Handbook
Volume: 5A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v05a.a0005727
EISBN: 978-1-62708-171-9
... Abstract This article discusses three types of powder-feeder systems that are commonly used throughout the thermal spray (TS) industry: gravity-based devices, rotating wheel devices, and fluidized-bed systems. It provides information on the various mechanical methods for producing powders...
Series: ASM Handbook
Volume: 10
Publisher: ASM International
Published: 15 December 2019
DOI: 10.31399/asm.hb.v10.a0006636
EISBN: 978-1-62708-213-6
..., flexibility, ease of use, and cost. Understanding instrument capabilities is important when developing and troubleshooting analytical methods. Figure 2 shows the flow path from solvent reservoirs to waste. A single solvent reservoir may contain a premixed mobile phase, but generally, multiple reservoirs...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001730
EISBN: 978-1-62708-178-8
... properties make it a special case. The potential value of AAS as a general-purpose metallic-element analysis method was not realized until 1955, when a more flexible technique was discovered ( Ref 4 ). These instruments combined the two basic components found in most modern spectrometers: a simple flame...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.9781627081702
EISBN: 978-1-62708-170-2
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005932
EISBN: 978-1-62708-166-5
... be specified. It is generally not possible to compare probes of different materials and tested to different methods. When a hot component comes into contact with the liquid quenchant, there normally are three stages of quenching ( Ref 3 ): Vapor (or vapor blanket) stage Boiling (or nucleate...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 November 1995
DOI: 10.31399/asm.hb.emde.a0003065
EISBN: 978-1-62708-200-6
... Abstract The large majority of the commercially important glasses are processed from a carefully calculated batch of raw materials that is then melted in special furnaces. Providing an introduction to melting practices of glass production, this article focuses on various finishing methods...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003105
EISBN: 978-1-62708-199-3
... induced crack propagation that results from the combined interaction of mechanical stress and corrosion reactions. The article tabulates a guide on corrosion prevention for carbon steels in various environments. It also discusses protection methods of steel from corrosion, including coatings...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.9781627081948
EISBN: 978-1-62708-194-8