Zobrazeno 1 - 10
of 101
pro vyhledávání: '"Roger D. Doherty"'
Autor:
K.V. Mani Krishna, Indradev Samajdar, Khushahal Thool, Dinesh Srivastava, Roger D. Doherty, Anirban Patra
Publikováno v:
Metallurgical and Materials Transactions A. 50:5000-5014
Fully recrystallized hexagonal Zirconium was subjected to controlled hot compression tests. Deformation above 723 K showed both flow saturation, characteristic of dynamic recovery, and also the presence of fine equiaxed grains, indicating dynamic rec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07d2bfcec340d8a9f0c92dde0d7895b1
https://doi.org/10.1007/s11661-019-05412-9
https://doi.org/10.1007/s11661-019-05412-9
Publikováno v:
Metallography, Microstructure, and Analysis. 7:650-660
The choice of alloying method for ferrous powder metallurgy alloys is often dictated by the oxidation potential of the alloying elements used in powder and compact manufacture. Silicon is effective in improving properties of ferrous PM steels; howeve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d640df36978538caec06e58663f71845
https://doi.org/10.1007/s13632-018-0490-x
https://doi.org/10.1007/s13632-018-0490-x
Autor:
Sushil Mishra, A. Durgaprasad, S. Lenka, Sudip Kumar Sarkar, Aniruddha Biswas, Sanjay Chandra, Indradev Samajdar, Roger D. Doherty, S. Giri, Saurabh Kundu
Publikováno v:
Metallurgical and Materials Transactions A. 49:2037-2047
This article reports the occasional (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7caef2356537a15fa5c46af9b77039f
https://doi.org/10.1007/s11661-018-4564-9
https://doi.org/10.1007/s11661-018-4564-9
Autor:
S. Lenka, Sushil Mishra, S. Giri, Roger D. Doherty, A. Durgaprasad, Indradev Samajdar, Saurabh Kundu, Sanjay Chandra
Publikováno v:
Metallurgical and Materials Transactions A. 49:1520-1535
Eutectoid wire rods were subjected to controlled thermo-mechanical processing (TMP). Both increased cooling rate and applied stress during the austenite-to-pearlite decomposition produced significant changes in the microstructure: major increases in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4c267bd46894f8f4a2c0970f2cef508
https://doi.org/10.1007/s11661-018-4501-y
https://doi.org/10.1007/s11661-018-4501-y
Publikováno v:
Acta Materialia. 144:281-291
Grain boundary engineering of Fe-based austenitic stainless steels and other materials has been successful in producing a large increase in twin and twin related grain boundaries from a wide range of thermomechanical treatments. However, the exact me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::08d631cdaee99a6c7acc6fb748806a42
https://doi.org/10.1016/j.actamat.2017.10.007
https://doi.org/10.1016/j.actamat.2017.10.007
Autor:
Roger D. Doherty, Sushil Mishra, S. Lenka, Sanjay Chandra, S. Giri, Indradev Samajdar, A. Durgaprasad, Saurabh Kundu
Publikováno v:
Metallurgical and Materials Transactions A. 48:4583-4597
Near eutectoid fully pearlitic wire rod (5.5 mm diameter) was taken through six stages of wire drawing (drawing strains of 0 to 2.47). The as-drawn (AD) wires were further laboratory annealed (LA) to re-austenitize and reform the pearlite. AD and LA
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aaba31ae76efaec1c626865cb9a9752c
https://doi.org/10.1007/s11661-017-4269-5
https://doi.org/10.1007/s11661-017-4269-5
Autor:
Saurabh Kundu, S. Lenka, Roger D. Doherty, Sanjay Chandra, Indradev Samajdar, A. Durgaprasad, Sushil Mishra, S. Giri
Publikováno v:
Acta Materialia. 129:278-289
This study involved fully pearlitic wires of seven different diameters (5.5-1.6 mm). All samples were laboratory annealed to re-austenitize and were then air-cooled to reform the pearlite structure. Morphological alignment of the pearlite, along the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37a21d6961f3cfeb5be7ebb91baa8467
https://doi.org/10.1016/j.actamat.2017.02.008
https://doi.org/10.1016/j.actamat.2017.02.008
Autor:
Lakshmi Narayanan Venkatesh, Roger D. Doherty, Indradev Samajdar, Pitchuka Suresh Babu, Ravi C. Gundakaram, Shrikant V. Joshi
Publikováno v:
Metallurgical and Materials Transactions A. 48:1534-1539
Microstructural evolution with superheating was studied in chromium carbide-nickel coatings deposited by laser cladding. At lower superheating, selective growth of aOE (c) 0001 > direction from the high density of Cr7C3 grains nucleated resulted in a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09971fa4d9a1722a66d4705bc1445945
https://doi.org/10.1007/s11661-017-3984-2
https://doi.org/10.1007/s11661-017-3984-2
Autor:
Mitra L. Taheri, Rui Feng, Andrew C. Lang, Elaf A. Anber, Pranav K. Suri, Daniel Scotto D'Antuono, Roger D. Doherty, James L. Hart, Haoyan Diao, Eric A. Lass, Peter K. Liaw
Publikováno v:
Materialia. 14:100872
The AlxCoCrFeNi family of high entropy alloys (HEAs) has received considerable attention due to its promising thermal, mechanical, and corrosion-resistant properties which make it widely suited for aerospace and marine applications. While the formati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7bc70deac6bb1e098775f07ae9a05349
https://doi.org/10.1016/j.mtla.2020.100872
https://doi.org/10.1016/j.mtla.2020.100872
Publikováno v:
International Journal of Plasticity. 81:87-101
In this work, we use novel protocols based on spherical nanoindentation and orientation imaging microscopy (OIM) to quantify the local changes in slip resistances in the grain boundary regions of deformed, polycrystalline aluminum. The new protocols
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65e7af07d6c58eaa9ea63d6a81a79ff7
https://doi.org/10.1016/j.ijplas.2016.01.001
https://doi.org/10.1016/j.ijplas.2016.01.001