Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Angshuman Chattopadhyay"'
Autor:
Gopinath Muvvala, Vikranth Racherla, Sagar Sarkar, Angshuman Chattopadhyay, Ashish Kumar Nath
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 118:343-364
Surface properties play a critical role in the structural integrity of any component and this becomes even more critical for weld joints. Laser shock peening (LSP) is one of the non-contact methods which is getting popular in industries to enhance su
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1be47b76598ab082e0bcaedbbe6eb096
https://doi.org/10.1007/s00170-021-07955-x
https://doi.org/10.1007/s00170-021-07955-x
Publikováno v:
Materials Today: Proceedings. 41:301-306
In the present study laser beam welding of commercially pure titanium is carried out at different welding speeds. Effect of the addition of active flux layer of MgF2 on the morphology and geometry of the weld zone and surrounding regions is investiga
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6ad75fd2da6cb2152a140065555c96fa
https://doi.org/10.1016/j.matpr.2020.09.285
https://doi.org/10.1016/j.matpr.2020.09.285
Publikováno v:
ARKIVOC, Vol 2010, Iss 9, Pp 137-145 (2010)
Externí odkaz:
https://doaj.org/article/58ed44ca3e1245bba32860c657bebe35
Publikováno v:
Lecture Notes in Mechanical Engineering ISBN: 9789813347946
Laser powder bed fusion technique has been considered as one of the best metal additive manufacturing processes considering the part quality and dimensional accuracy. However, the high cost of metal powders makes it difficult to afford for all kinds
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28f7016944611a92cf74f68177570ed2
https://doi.org/10.1007/978-981-33-4795-3_75
https://doi.org/10.1007/978-981-33-4795-3_75
Autor:
Angshuman Chattopadhyay, Sagar Sarkar, Gopinath Muvvala, Ashish Kumar Nath, Vikranth Racherla
Publikováno v:
Journal of Materials Processing Technology. 300:117403
In-situ laser deposition of Ni powder as an interlayer has been exploited to join dissimilar metals, titanium and stainless steel. Direct fusion joining of these materials often suffers from longitudinal cracks due to the formation of hard and brittl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce74dd4def609aa103a1ac49c6710574
https://doi.org/10.1016/j.jmatprotec.2021.117403
https://doi.org/10.1016/j.jmatprotec.2021.117403
Autor:
Abhijit Sadhu, Angshuman Chattopadhyay, Surjya K. Pal, Omkar Mypati, Sagar Sarkar, Ashish Kumar Nath
Publikováno v:
Materials Science and Engineering: A. 831:142238
Friction stir welding (FSW) of CuCrZr sheets was performed and Laser Shock Peening (LSP) was carried out as a post-weld surface treatment. Effect of LSP on hardness, tensile and fatigue strength was investigated. Depth of compressive residual stress
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1755314ee90caad030049528637a94d2
https://doi.org/10.1016/j.msea.2021.142238
https://doi.org/10.1016/j.msea.2021.142238
Autor:
Ashish Kumar Nath, Angshuman Chattopadhyay, Gopinath Muvvala, Vikranth Racherla, Sagar Sarkar
Publikováno v:
Optics & Laser Technology. 133:106527
In the present study, laser beam welding of commercially pure titanium has been carried out at different scan speeds in the range from 2.4 m/min to 4 m/min at 2.15 kW laser power and its influence on molten pool thermal history, microstructure, resid
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f18eef2b56507eeb0c9a4d997e7bb143
https://doi.org/10.1016/j.optlastec.2020.106527
https://doi.org/10.1016/j.optlastec.2020.106527
Publikováno v:
Volume 2: Materials; Joint MSEC-NAMRC-Manufacturing USA.
Joining of dissimilar metals and alloys has been envisioned since a long time with specific high end applications in various fields. One such combination is austenitic stainless steel grade SS304 and commercial grade titanium, which is very difficult
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df4afa7f30e004c586c886178c26d248
https://doi.org/10.1115/msec2018-6584
https://doi.org/10.1115/msec2018-6584
Publikováno v:
Tetrahedron: Asymmetry. 23:1423-1429
(R)-2,3-O-Cyclohexylideneglyceraldehyde 1 provides a simple route for the preparation of carbafuranoses. This has been exemplified by the preparation of 10c and 10d, the derivatives of carba d -xylofuranose and carba- l -arabinofuranose respectively,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34407e4b8383676ada92c00ce35ccf8a
https://doi.org/10.1016/j.tetasy.2012.09.007
https://doi.org/10.1016/j.tetasy.2012.09.007
Autor:
Angshuman Chattopadhyay, Papiya Ghosh
Publikováno v:
Tetrahedron Letters. 53:5202-5205
An operationally simple procedure of propargylation of aldehydes in moist solvent (distilled THF) has been developed through direct addition of propargyl bromide to aldehyde substrates mediated with low valent iron or tin. The metals were spontaneous
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7a0424b73d7ee72ecba364c47068b0c
https://doi.org/10.1016/j.tetlet.2012.07.021
https://doi.org/10.1016/j.tetlet.2012.07.021