Zobrazeno 1 - 10
of 3 748
pro vyhledávání: '"Cryogenic treatment"'
Autor:
Lei Wang, Nurzhan Yessenbayev, Xinchuang Yan, Iliyas Sarmalayev, Minsu Cha, Dichuan Zhang, Randy D. Hazlett
Publikováno v:
Petroleum Research, Vol 9, Iss 3, Pp 359-368 (2024)
Karaganda Coal Basin bears the largest undeveloped reserve of coalbed methane (CBM) in Kazakhstan, which lacks water resources for implementing large-volume hydraulic fracturing. Cryogenic fracturing utilizing liquid nitrogen (LN2) has been trialled
Externí odkaz:
https://doaj.org/article/1a0b965bf6354c279b95cbec3ff4364d
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 2279-2295 (2024)
Wear failure of oil drill bits leads to cost increase, and how to improve the abrasion resistance of cemented carbide (WC–Co) drill bits is an urgent problem, and deep cryogenic treatment (DCT) is a feasible method. The effect of DCT time (i.e., 0,
Externí odkaz:
https://doaj.org/article/7a4cae88edcb4ca4ac9830422af9aa03
Publikováno v:
Journal of Materials Research and Technology, Vol 32, Iss , Pp 115-123 (2024)
In this study, high-resolution TEM was utilized to provide a detailed characterization of the precipitates in CuCrZr alloys induced by cryogenic treatment. Building on these findings, first-principles computational models were developed to investigat
Externí odkaz:
https://doaj.org/article/f9b2fcb3b17740f1905a37a899bc1177
Autor:
Zhi Liu, Tongsheng Deng, Ruyi Ai, Yucheng Yang, Yupeng Yuan, Wei Chen, Wenhao He, Weirong Li, Wenlong Xiao
Publikováno v:
Journal of Materials Research and Technology, Vol 31, Iss , Pp 3891-3900 (2024)
The cryogenic treatment of near β Ti–5Al–5Mo–5V–3Cr–1Zr (Ti55531) alloy was conducted using the liquid nitrogen refrigeration method. The microstructure and properties were characterized by scanning electron microscopy (SEM), electron back
Externí odkaz:
https://doaj.org/article/3454adab01e0418baf6adbc1df4231da
Autor:
Renhao Wu, Soung Yeoul Ahn, Yeon Taek Choi, Hyojin Park, Man Jae SaGong, Ganesh Sattineni, Hyeonseok Kwon, Sang Guk Jeong, Gitaek Lee, Ho Hyeong Lee, Haiming Zhang, Hyoung Seop Kim
Publikováno v:
Materials Research Letters, Vol 12, Iss 10, Pp 689-699 (2024)
This study delves into effects of deep cryogenic treatment (DCT) on enhancing the hydrogen embrittlement resistance of CoCrFeMnNi high-entropy alloy fabricated via laser powder-bed-fusion (L-PBF). Comparatively assessing as-print, conventional heat t
Externí odkaz:
https://doaj.org/article/027069ea757a415fa9adb6a14b799acf
Publikováno v:
Tribology in Industry, Vol 46, Iss 2, Pp 185-197 (2024)
As-received (AsRec) EN24 steel was treated with conventional heat treatment (ConHeatTreat) without tempering followed by deep cryogenic treatment (DeepCryoTreat) as a supplemental treatment to study its tribological behaviour against alumina without
Externí odkaz:
https://doaj.org/article/9f96ba6de80f4a2d96957afd96966d89
Autor:
Pavel Pankov, Dmitry Bespolitov, Nikolay Shavanov, Nataliya Konovalova, Maria Ushkova, Aleksandr Karabtsov, Irina Tarasenko, Valery Petukhov, Igor Panarin, Mikhail Zayakhanov, Aleksandr Bituev
Publikováno v:
Case Studies in Construction Materials, Vol 20, Iss , Pp e02847- (2024)
The article substantiates the possibility of obtaining composite materials with improved functional properties to strengthen the subgrade, containing technogenic soil stabilized by an additive based on a gelling polymer. The introduction of technogen
Externí odkaz:
https://doaj.org/article/36e464a653434d21b66d9d3e3ce9ef34
Autor:
Gözde Altuntaş, Bulent Bostan
Publikováno v:
Gazi Üniversitesi Fen Bilimleri Dergisi, Vol 12, Iss 1, Pp 324-331 (2024)
In this study, cryogenic treatment was applied to the 7*** series alloy, which is one of the aluminum alloys frequently used in the aviation and space industry, after the retrogression and re-aging process, and the phase formations were examined by t
Externí odkaz:
https://doaj.org/article/163b97872f694b6382d0736c12e0dbd4
Publikováno v:
Micro, Vol 4, Iss 1, Pp 170-184 (2024)
The present study attempted for the first time an investigation on the effect of deep cryogenic treatment in liquid nitrogen (LN) on magnesium–cerium oxide (Mg/2wt.%CeO2) composites containing equal amounts of different length scales (micron and na
Externí odkaz:
https://doaj.org/article/c348e19647744d86aa4c94848a34d117
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 5576-5584 (2024)
The metallurgical changes and micro defects after welding can influence the mechanical property, corrosion resistance and dimensional stability of the stainless steel wielding joints. It is necessary to explore an effective post-welded method to impr
Externí odkaz:
https://doaj.org/article/d95685dcacbe45cda0b740b8a40cf1c7