Zobrazeno 1 - 10
of 13
pro vyhledávání: '"K M Pranesh Rao"'
Autor:
K. Narayan Prabhu, K. M. Pranesh Rao
Publikováno v:
Journal of Materials Engineering and Performance. 30:3416-3435
Martempering is a widely practiced industrial heat treatment process to harden steel parts with minimum distortion. A numerical experiment to predict hardness distribution in AISI 4140 steel cylinders of various diameters during martempering is prese
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::34bb9d743835206874b5ab0df4fb5058
https://doi.org/10.1007/s11665-021-05630-6
https://doi.org/10.1007/s11665-021-05630-6
Autor:
K. M. Pranesh Rao, K. Narayan Prabhu
Publikováno v:
Journal of Materials Engineering and Performance. 29:6033-6043
Growing concerns over the hazardous impact of mineral oil-based industrial quench media on human health and the environment have forced researchers to seek renewable and non-hazardous alternatives. Non-edible vegetable oil-based quench media are perc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16f7c4955ce06d1a4d2d7c02688ea926
https://doi.org/10.1007/s11665-020-05082-4
https://doi.org/10.1007/s11665-020-05082-4
Autor:
K. Narayan Prabhu, K. M. Pranesh Rao
Publikováno v:
Journal of Materials Engineering and Performance. 29:1860-1868
The present study involved the assessment of cooling severity of molten NaNO3–KNO3 mixtures which are widely used as quench media for austempering and martempering operations. An Inconel probe instrumented with thermocouples was quenched in molten
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dfb72741cdefa21a9c68bfb16c1998d9
https://doi.org/10.1007/s11665-020-04692-2
https://doi.org/10.1007/s11665-020-04692-2
Autor:
K. Narayan Prabhu, K. M. Pranesh Rao
Publikováno v:
Journal of Materials Engineering and Performance. 29:3494-3501
The present work presents a comprehensive comparative study on the cooling performance of hot oil and molten 54%KNO3-7%NaNO3-39%NaNO2 eutectic mixture quench media. The study was conducted using a cylindrical Inconel probe of 12.5 mm diameter and 60
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b6361ab334aea56c125afce0284c3a7
https://doi.org/10.1007/s11665-020-04635-x
https://doi.org/10.1007/s11665-020-04635-x
Publikováno v:
Engineering Research Express. 5:015074
Drilling is the most common operation that is performed on the composite material to facilitate the fastening of a composite with other components in an assembly. The present investigation investigates the most significant parameter that affects the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::742a7c3c8199f4da46b166f2da11979a
https://doi.org/10.1088/2631-8695/acc2a1
https://doi.org/10.1088/2631-8695/acc2a1
Publikováno v:
Transactions of the Indian Institute of Metals. 72:1405-1408
Cooling behaviour of steels in quench media is of great importance as this controls phase transformations, heat transfer and the stress evolution. The heat extraction ability of each quenchant is different because of varying thermophysical properties
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7074a99033e5477671b3d47bcb455265
https://doi.org/10.1007/s12666-018-1542-2
https://doi.org/10.1007/s12666-018-1542-2
Autor:
K. M. Pranesh Rao, K. Narayan Prabhu
Publikováno v:
Materials Performance and Characterization. 11:20220007
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17b87f1f8063a5128bbfb7f532a0e658
https://doi.org/10.1520/mpc20220007
https://doi.org/10.1520/mpc20220007
Autor:
K. M. Pranesh Rao, K. Narayan Prabhu
Publikováno v:
Metallurgical and Materials Transactions A. 48:4895-4904
Martempering is an industrial heat treatment process that requires a quench bath that can operate without undergoing degradation in the temperature range of 423 K to 873 K (150 °C to 600 °C). The quench bath is expected to cool the steel part from
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5445a8790ec0ebc4e927b61c0cc2cf59
https://doi.org/10.1007/s11661-017-4267-7
https://doi.org/10.1007/s11661-017-4267-7
Autor:
K. Narayan Prabhu, K. M. Pranesh Rao
Publikováno v:
Heat Treat 2019: Proceedings from the 30th Heat Treating Society Conference and Exposition.
This paper presents the results of a study on the cooling performance of hot oil and molten salt quench media. It describes the tests performed, analyzes the results, and interprets the findings. It explains how the heat extraction mechanism in hot o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29a6fad661c0828c2d7cbdc0dcaef205
https://doi.org/10.31399/asm.cp.ht2019p0322
https://doi.org/10.31399/asm.cp.ht2019p0322
Publikováno v:
Journal of Materials Engineering and Performance. 25:3802-3810
Distilled water and polyalkylene glycol (PAG)-based aqueous quenchants of 5 and 10 vol.% with and without carbonation were prepared and used as heat transfer media during immersion quenching. Cooling curves were recorded during quenching of an incone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b07562f1305fb146f35589e2fe70de92
https://doi.org/10.1007/s11665-016-2183-4
https://doi.org/10.1007/s11665-016-2183-4