Zobrazeno 1 - 10
of 1 121
pro vyhledávání: '"die steel"'
Publikováno v:
Teshugang, Vol 45, Iss 6, Pp 48-52 (2024)
The H13 die steel was prepared by 2 t electroslag remelting furnace. Combined with thermodynamic calculation， experimental observation and statistical analysis， the type， size， morphology and distribution of inclusions in H13 die steel in ele
Externí odkaz:
https://doaj.org/article/2077f15831274280b809c97d33063bde
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 2464-2477 (2024)
This work developed a new high toughness 5% Cr martensitic hot working die steel (GYDCK-20), which exhibits better thermal stability and thermal fatigue resistance than AISI H13 steel. The concrete study involves: conducting on the evolution of micro
Externí odkaz:
https://doaj.org/article/a6a6633e1f074f009bd48cf9b1d6e6af
Publikováno v:
Teshugang, Vol 45, Iss 5, Pp 47-52 (2024)
In order to solve the problem of poor mirror polishing effect of steel used in plastic die， the polishing efficiency of die steel is improved by optimizing smelting process. The results showed that the mirror effect was closely related to the purit
Externí odkaz:
https://doaj.org/article/d7c72ba0fd534661b63702d4fa682c03
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:
Teshugang, Vol 45, Iss 4, Pp 153-160 (2024)
The effects of Quenching-Tempering-Austempering （QTA） duplex phase heat treatment process （Q 1 030 ℃， 30 min； T 520 ℃， 2 h； A 250 ℃， 3 h） at different prequenching temperatures on the microstructure， mechanical properties an
Externí odkaz:
https://doaj.org/article/b3dbb0d7038a4391a24746c95938457b
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:
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:
Journal of Materials Research and Technology, Vol 27, Iss , Pp 4452-4460 (2023)
The addition of small amount of nickel to hot-working die steel has been found to be beneficial for hardenability and toughness. In this paper, the addition of nickel to Cr–Mo–V hot-working die steel was studied to improve hardenability, and the
Externí odkaz:
https://doaj.org/article/b55765f2e1d64d0a93e3f4fd7961caa6
Publikováno v:
Journal of Materials Research and Technology, Vol 25, Iss , Pp 1748-1760 (2023)
Hot-work die steel with excellent strength and toughness can improve the precision of the die and prolong its service life. However, this is very difficult to achieve because of the opposing relationship between strength and plasticity. In this paper
Externí odkaz:
https://doaj.org/article/38ea4028e79c456ca17e48feaaaf9127