Zobrazeno 1 - 10
of 1 439
pro vyhledávání: '"Hot work"'
Publikováno v:
Teshugang, Vol 45, Iss 6, Pp 108-116 (2024)
The continuous cooling transition curve （CCT curve） and impact energy curve of QDH of the new hot work die steel with 0.8% Ni and without Ni were determined by thermal expansion phase change instrument and impact testing machine， and the influe
Externí odkaz:
https://doaj.org/article/c38e5f054156472a9c5a9cdfaccae1fe
Publikováno v:
Journal of Materials Research and Technology, Vol 33, Iss , Pp 6767-6779 (2024)
Surface variation is an inherent imperfection in the laser powder bed fusion (LPBF) processed samples, comprising of primary roughness (PRR) from the melt pool solidification and secondary roughness (SER) from adhered powder particles. Components und
Externí odkaz:
https://doaj.org/article/09822836887e491da980c4926a871635
Publikováno v:
Teshugang, Vol 45, Iss 4, Pp 117-123 (2024)
The effect of La treatment on the transformation of inclusions in H13 steel was investigated by subjecting H13 die steel to vacuum induction melting and subsequently treating the molten steel with La under an argon atmosphere protection.The results d
Externí odkaz:
https://doaj.org/article/152074731f4c455e8cc1e5e19a52fc5b
Publikováno v:
Journal of Materials Research and Technology, Vol 30, Iss , Pp 8371-8381 (2024)
The current study innovatively proposed to prepare TiC nanoparticles reinforced high-Cr hot work die steels through an aluminum master alloy. The influences of TiC nanoparticles on the microstructure and wear resistance of high-Cr hot work die steels
Externí odkaz:
https://doaj.org/article/4590cab15dc449e18c998be7383c0c6c
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract A risk assessment method for hot work based on G1-EWM and unascertained measurement theory was proposed to prevent hot work accidents in underground mines. Firstly, based on the risk influencing factors and classification criteria for underg
Externí odkaz:
https://doaj.org/article/85578195b0e6405a8fdab86f75d404af
Autor:
Pamela Miśkiewicz, Magdalena Tokarska
Publikováno v:
Journal of Natural Fibers, Vol 21, Iss 1 (2024)
The unique properties of basalt fibers, i.e. low thermal conductivity, thermal resistance up to 800°C, biodegradability, resistance to acids and alkalis, corrosion, ultraviolet radiation, and non-flammability, make them increasingly used in personal
Externí odkaz:
https://doaj.org/article/a26de27607734f1a87857f9283217abd
Publikováno v:
Virtual and Physical Prototyping, Vol 19, Iss 1 (2024)
ABSTRACTIn present paper, a universal method for multi-objective parameter optimisation of additive manufacturing processes was proposed and successfully applied to laser-based directed energy deposition (DED) experiments with mixtures of H13 and M2
Externí odkaz:
https://doaj.org/article/d624e42ddac74f02893ef5a24a683c03
Publikováno v:
Tehnički Glasnik, Vol 18, Iss 3, Pp 461-469 (2024)
The aim of this research is to investigate the influence of nickel alloy type from the same group, the parameters of flame spraying, as well as the preparation of the substrate and the heat treatments of the substrate on the microstructure of the coa
Externí odkaz:
https://doaj.org/article/644c9a1e68294297b9693db227731bf2
Publikováno v:
Cailiao gongcheng, Vol 51, Iss 12, Pp 184-190 (2023)
The thermo-mechanical fatigue behavior of SDHC (4Cr5Mo2VCo) hot working die steel under different mechanical strain amplitudes (0.7%, 0.9%, 1.1%) was studied by MTS thermo-mechanical fatigue hydraulic servo testing machine. The microstructure evoluti
Externí odkaz:
https://doaj.org/article/c40dfa8022a045f9b554b9e5f22b2d56
Publikováno v:
Alloys, Vol 2, Iss 4, Pp 288-320 (2023)
A promising approach for producing parts with outstanding properties in directed energy deposition (DED-LB/M) provides the application of tailored powder mixtures processed by applying in situ alloying strategies. In this work, DED-LB/M was used to m
Externí odkaz:
https://doaj.org/article/2c95966a3dbe43df899240a5f746e95d