1-20 of 345 Search Results for

tap density

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.a0006109
EISBN: 978-1-62708-175-7
... Abstract This article describes the methods for determining the flow rate of metal powders. It examines the factors affecting flow rate, apparent density, and angle of repose of metal powders. The article reviews the frictional properties, cohesive strength, frictional properties, tap density...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006074
EISBN: 978-1-62708-175-7
... shapes and their influence in determining tap density of the filled mold. It provides a discussion on process parameters, such as dwell time, depressurization rate, evaluation of green strength and density, and thermal processing, and illustrates a process flowchart for the production of CIP parts...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006568
EISBN: 978-1-62708-290-7
... flow test, bulk/tap density, rheometer, and the revolving or rotating drum technique. The three categories of powder properties that are available from rheometer experiments are discussed: bulk, dynamic flow, and shear properties. The article also describes the basic principles and applications...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006088
EISBN: 978-1-62708-175-7
... the particles Hausner has shown the change in apparent and tap densities with differently shaped particles ( Tables 1 and 2 ) and reported on tests made by Kothari ( Ref 6 ) reflecting the apparent and tapped densities as affected by powder particle size ( Tables 3 and 4 ). He also has described...
Image
Published: 12 September 2022
Fig. 4 Relationship between powder properties, bulk powder behavior, powder performance in the process, and the quality of the parts. (1) Reproducibility, layer density, layer continuity, and layer homogeneity; (2) apparent density, tap density, Hausner ratio. EBM, electron beam melting; PSD More
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
..., the density is not necessarily the same as that of the material which forms the particles. Four types of density can be used to describe the density of a powder: True density Particle density Apparent density (or bulk density) Tap density True density (or solid density) is defined...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006056
EISBN: 978-1-62708-175-7
.... Particle size and organic binder content influence powder properties such as bulk density and flowability. Tap density according to ASTM B527, “Standard Test Method for Determination of Tap Density of Metal Powders and Compounds,” ( Ref 1 ) quantifies the bulk density of a powder that has settled...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006033
EISBN: 978-1-62708-175-7
..., soils, and minerals, other relations are generally more successful. The typical initial and boundary conditions during compaction are as follows: Initial condition for the powder: Tap density Boundary conditions: Velocity prescribed in upper and bottom punches and friction condition...
Series: ASM Handbook
Volume: 22B
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.hb.v22b.a0005502
EISBN: 978-1-62708-197-9
... powders has been the Shima-Oyane model, although for ceramics, soils, and minerals, other relations are generally more successful. The typical initial and boundary conditions during compaction are as follows: Initial condition for the powder: Tap density Boundary conditions: Velocity...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006042
EISBN: 978-1-62708-175-7
.... Irregular-shaped metal powders do not fill volume efficiently; this can be observed quantitatively by measuring the tap density of a powder. A powder that has a tap density that is 50% of the theoretical density of a given alloy only fills 50% of the internal volume of a container. Thus, if such a powder...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006058
EISBN: 978-1-62708-175-7
... anisotropy of physical and mechanical properties. Fine powder particle size is produced by air classification and recomminution of coarse particles. Powder is screened and blended to produce uniform powder prior to consolidation. Blocky powder morphology also increases tap density by a few percent...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002187
EISBN: 978-1-62708-188-7
... Abstract This article discusses various machining techniques of zinc alloy die castings. These include turning, boring, drilling, reaming, tapping, die threading, milling, and sawing. In addition, the article describes the factors that influence machinability of the zinc alloy die castings...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006104
EISBN: 978-1-62708-175-7
..., milling, drilling, tapping, and grinding. The basic guideline is to start with cutting conditions for wrought and cast parts and tailor them for the application. The recommendation applies in particular to lower-density parts. High-density parts (>92% of theoretical density) often machine like wrought...
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002190
EISBN: 978-1-62708-188-7
... Abstract This article describes various machining techniques of refractory metals, namely, niobium, molybdenum, tantalum, and tungsten. These include turning, boring, trepanning, reaming, milling, tapping, drilling, and sawing. Parameters for the machining of the refractory metals are also...
Series: ASM Handbook
Volume: 24
Publisher: ASM International
Published: 15 June 2020
DOI: 10.31399/asm.hb.v24.a0006573
EISBN: 978-1-62708-290-7
... ( Ref 41 ). Other studies by Dourandish et al. ( Ref 44 ) have observed the effects of processing parameters such as layer thickness, drying time, spread speed, and powder size on the printability and strength of green parts. The tap density and green part density of the coarse powder were similar (~53...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006907
EISBN: 978-1-62708-392-8
... of Ti-6Al-4V, with a median diameter ( d 50 ) of 33.1 μm. However, compressibility, which is a flowability index calculated using bulk and tap density, showed the same value. Accordingly, the flowability of Zr-1Mo is closer to that of Ti-6Al-4V. Considering the calculated values of the properties...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006884
EISBN: 978-1-62708-392-8
... 0.836 0.496 Source: Ref 24 The difference in DCPD particle morphology also affected the tap density of the powder. Figure 5 illustrates this advantage from the viewpoint of the difference in powder filling properties. Because the petaloid particles are approximately spherical, they can...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005196
EISBN: 978-1-62708-187-0
..., and lining push-out device used in induction furnaces are also reviewed. The article concludes with a discussion on batch operation and tap-and-charge operation, two distinct ways of operating a coreless induction furnace. induction furnaces electromagnetic stirring mechanical skimmers silica...
Image
Published: 01 January 1994
(sp gr, 1.20), mL/L (fl oz/gal) 36 (4.7) 35 (4.7)  85% H 3 PO 4 (sp gr, 1.70), mL/L (fl oz/gal) 50 (6.7) 50 (6.7)  NH 4 OH (sp gr, 0.90), mL/L (fl oz/gal) 220 (29) 220 (28)  Water (c) bal bal Operating temperature, °C (°F) 88–91 (190–195) (d) 85 (185) (d) Current density More
Book: Machining
Series: ASM Handbook
Volume: 16
Publisher: ASM International
Published: 01 January 1989
DOI: 10.31399/asm.hb.v16.a0002193
EISBN: 978-1-62708-188-7
... and boring, milling, drilling, grinding, reaming, burnishing, tapping, and honing and lapping. boring burnishing cutting tools drilling grinding honing joining lapping machining milling porosity powder metallurgy reaming tapping turning POWDER METALLURGY (P/M) is a near-net shape...