Zobrazeno 1 - 10 of 31 pro vyhledávání: '"P. Delshad-Khatibi"'
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Akademický článek
Effect of Time-temperature Cycles on Size and Morphology of Al Powder Particles Prepared via SAMD
Autor: P. Delshad-Khatibi, F. Akhlaghi
Publikováno v: Journal of Advanced Materials in Engineering, Vol 28, Iss 1, Pp 13-27 (2009)
Solid Assisted Melt Disintegration (SAMD) is a relatively new method for producing metallic powder particles in which the kinetic energy transferred from a rotating impeller to the melt via a solid medium causes melt disintegration. These droplets ar
Externí odkaz: https://doaj.org/article/3e647fadebb4477aa3ea5f4d93a626df
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2
Estimation of droplet solidification temperature in rapid solidification using in-situ measurements
Autor: Hani Henein, P. Delshad Khatibi
Publikováno v: Canadian Metallurgical Quarterly. 56:76-84
Copper and D2 tool steel powders were produced using a drop tube-impulse atomization technique. In order to measure the radiant energy and droplet size of atomised D2 steel droplets, DPV-2000 (Tecn...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::03072fa8a8be36ed10a8fd1a197c6697
https://doi.org/10.1080/00084433.2016.1259711
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3
Microstructure and mechanical characterization of rapidly solidified Cr-C tool steel: Annealing effects
Autor: Andre Phillion, P. Delshad Khatibi, Hani Henein
Publikováno v: Advanced Powder Technology. 27:2076-2083
The effect of isochronal annealing on D2 tool steel powder, rapidly solidified via both Impulse Atomization and Water Atomization, has been evaluated using high-resolution scanning electron microscopy and Vickers microhardness. The amount of supersat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1aaeba2ac0745bbdadda51d98419a1e4
https://doi.org/10.1016/j.apt.2016.07.019
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4
The robustness of the two-colour assumption in pyrometry of solidifying AISI D2 alloy droplets
Autor: P. Delshad Khatibi, Hani Henein
Publikováno v: Materialwissenschaft und Werkstofftechnik. 45:736-743
A drop tube-impulse atomization technique was used to produce D2 tool steel powders. Shadowgraph (Sizing Master Shadow from LaVision GmbH in Gottingen, Germany) was utilized to measure in-situ velocity and droplet size. Simultaneously, the DPV-2000 (
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8e15973ee679a91c640afb99e3598350
https://doi.org/10.1002/mawe.201400310
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5
Microstructural investigation of D2 tool steel during rapid solidification
Autor: P. Delshad Khatibi, Andre Phillion, Hani Henein
Publikováno v: Powder Metallurgy. 57:70-78
Impulse atomisation in helium and nitrogen and water atomisation have been utilised to produce powders of D2 tool steel. It was determined that higher cooling rates result in a lower percentage of eutectic. Scanning electron microscopy image analysis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e69f66f9b61b8a75a9010b4d072a5044
https://doi.org/10.1179/1743290113y.0000000072
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6
Quantification of Primary Dendritic and Secondary Eutectic Nucleation Undercoolings in Rapidly Solidified Hypo-Eutectic Al-Cu Droplets
Autor: Hani Henein, P. Delshad Khatibi, A.-A. Bogno, Ch.-A. Gandin
Publikováno v: Metallurgical and Materials Transactions A
Metallurgical and Materials Transactions A, Springer Verlag/ASM International, 2016, 47 (9), pp.4606-4615. ⟨10.1007/s11661-016-3594-4⟩
International audience; This paper reports on the quantification of primary dendritic and secondary eutectic nucleation undercoolings during rapid solidification of impulse atomized hypo-eutectic Al-Cu droplets. The procedure consists in determining
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ae0331595819a4d7b83890bf7239b65d
https://hal-mines-paristech.archives-ouvertes.fr/hal-01369940
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9
Effect of silicon content on size distribution and morphology of Al–Si powder particles produced by solid assisted melt disintegration (SAMD) method
Autor: F Akhlaghi, P Delshad‐Khatibi
Publikováno v: Powder Metallurgy. 54:153-159
Powder particles of a commercially pure aluminium as well as some Al–Si alloys containing different amounts (6, 12 and 20 wt‐%) of Si were produced via a relatively new process termed solid assisted melt disintegration (SAMD) method. In this proc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a568225cf821e02f34170d1a730d7ba4
https://doi.org/10.1179/174329009x424546
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10
ULTRAFINE PRIMARY SILICON PARTICLES IN PHOSPHORUS-MODIFIED HYPEREUTECTIC AL-SI ALLOY POWDERS PRODUCED BY SAMD METHOD
Autor: P. Delshad-Khatibi, Farshad Akhlaghi
Publikováno v: International Journal of Modern Physics B. 22:3304-3310
In the present study, alloy powder batches of Al-20Si (wt. %) were generated by SAMD technique using NaCl as the solid media. The method consists of introducing and mixing a specified amount of NaCl particles (mean diameter 254 μm) in aluminum melt
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::564a3f1ed5ac24beeda388ff2baeb582
https://doi.org/10.1142/s0217979208048243
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