Zobrazeno 1 - 10
of 13
pro vyhledávání: '"J C Rawers"'
Publikováno v:
Materials Science Forum. :721-725
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4aaf3b222132cafe440258d7bb186c62
https://doi.org/10.4028/www.scientific.net/msf.343-346.721
https://doi.org/10.4028/www.scientific.net/msf.343-346.721
Publikováno v:
Materials Science Forum. :715-722
Fe-powder after mechanical alloying in N and Ar gases in high energy ball mill was studied by means of Mossbauer spectroscopy to characterize the change in the local iron environment. Small-angle neutron scattering (SANS) was used to examine the char
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c061db46f046d7a6aaaee680ee8acf82
https://doi.org/10.4028/www.scientific.net/msf.318-320.715
https://doi.org/10.4028/www.scientific.net/msf.318-320.715
Publikováno v:
Nanostructured Materials. 9:145-148
Mechanically processing iron powder with interstitial and substitutional elements resulted in different microstructures (grain size, rms-strains, and phases) depending upon the alloying composition. Alloying iron powder with substitutional elements (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::130a05333356b25b478c44549af919d8
https://doi.org/10.1016/s0965-9773(97)00039-1
https://doi.org/10.1016/s0965-9773(97)00039-1
Autor:
Desmond C. Cook, J. C. Rawers
Publikováno v:
Hyperfine Interactions. 92:959-964
A study has been made of highly nitrogenated pure iron and iron-aluminum alloy powder containing 2 wt.% Al (Fe-2Al) using Mossbauer spectroscopy and X-ray diffraction. The samples were prepared by high-temperature, high-pressure diffusion of nitrogen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a296679f460859cfcdcd876fd0bbbbd5
https://doi.org/10.1007/bf02065719
https://doi.org/10.1007/bf02065719
Autor:
W. R. Wrzesinski, J. C. Rawers
Publikováno v:
Journal of Materials Science Letters. 9:432-435
The Bureau of Mines is interested in developing intermetallic composites not only as substitutes for strategic metals, but to achieve better performance in hostile mining and mineral-processing environments. Intermetallic composites of TiAl with SiC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59cb7f6b918932ed14c254b9bf5634ed
https://doi.org/10.1007/bf00721021
https://doi.org/10.1007/bf00721021
Publikováno v:
Materials Science and Technology. 6:187-191
Synthesis of Ti, Al and SiC Powders into intermetallic composites was achieved (a) by hot press reactive sintering, (b) by self propagating, high temperature synthesis, and (c) in a differential scanning calorimeter. The Ti and Al powders reacted exo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::657d41a3b26baf4e52d8fd10d1ee8a42
https://doi.org/10.1179/mst.1990.6.2.187
https://doi.org/10.1179/mst.1990.6.2.187
Autor:
R. C. Doan, J. C. Rawers
Publikováno v:
Powder Metallurgy. 37:137-139
Two nitrogen alloying techniques are described by which the nitrogen concentration in Fe–2Al was increased from less than 0·1 wt-% in the original powder to approximately 2 wt-%. X-ray diffraction is used to characterise the nitrogen distribution
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cec355e7bdb7c3880168e886e36281c3
https://doi.org/10.1179/pom.1994.37.2.137
https://doi.org/10.1179/pom.1994.37.2.137
Autor:
J. C. Rawers, W. R. Wrzesinski
Publikováno v:
Journal of Materials Science Letters. 9:503-505
On etudie la formation de composites resistant aux hautes temperatures et resistant a l'oxydation par infiltration de SiC recristallise avec des composes intermetalliques fondus (Fe 3 Si, Fe 3 Si+Al, Fe 3 Si+Ti, Ni 3 Al+Si, TiAl). On examine les prop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9778be38fa20b2b180ce7b8ea4f0ac73
https://doi.org/10.1007/bf00725857
https://doi.org/10.1007/bf00725857
Publikováno v:
Microscopy and Microanalysis. 6:426-427
Coal gasifiers are required to operate at very high temperatures, >1600°C, for long periods of time, > 13 months (10,000 hours) Fig.1. Under these conditions the refractory lining of choice is high chrome refractory. During operation coal contaminan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d39b91243359553991dab9d2dafc51cb
https://doi.org/10.1017/s1431927600034620
https://doi.org/10.1017/s1431927600034620