Zobrazeno 1 - 10
of 1 516
pro vyhledávání: '"LIU Jian-hua"'
Publikováno v:
Shipin yu jixie, Vol 38, Iss 9, Pp 103-107 (2022)
Objective: To realize the full automation of shrimp deep processing. Methods: Based on analysis of physical characteristics of northern and southern American shrimps, according to the feature of the center of gravity located between the thickest part
Externí odkaz:
https://doaj.org/article/2a61273e17964ecb89d929d39eb2f1ff
Publikováno v:
工程科学学报, Vol 40, Iss 8, Pp 937-944 (2018)
The micro nonmetallic inclusion and oxygen content in steel significantly affect its performance, and removing the inclusion involves a difficult process. A nitrogen absorption and release method has been developed with which nonmetallic inclusions a
Externí odkaz:
https://doaj.org/article/036f65027bcf4766b43a5961ae066693
Publikováno v:
工程科学学报, Vol 40, Iss 6, Pp 697-702 (2018)
The fluid flow pattern and free surface fluctuation in a mold profoundly influence both molten steel solidification and molten slag thermodynamics behavior in the continuous casting process. In addition, the fluid flow and surface fluctuation behavio
Externí odkaz:
https://doaj.org/article/0a2e64dbe5124bfd8694119491c91328
Publikováno v:
工程科学学报, Vol 39, Iss 7, Pp 1008-1019 (2017)
The morphology, composition, and number of inclusions in Fe-Mn-C(-Al) twining-induced plasticity (TWIP) steels were investigated by scanning electron microscopy, energy-dispersive X-ray spectroscopy, and an automated program called "INCAFeature". The
Externí odkaz:
https://doaj.org/article/e3cd5fe3d5f845759d019db58687aae8
Publikováno v:
Cailiao gongcheng, Vol 45, Iss 7, Pp 19-26 (2017)
Alclad and unclad 2E12 aerospace aluminum alloy were treated by sulfuric acid anodic oxidation. The effects of alclad layer and anodizing time on the anodization behaviour and corrosion resistance of anodic oxide layer on 2E12 aluminum alloy were stu
Externí odkaz:
https://doaj.org/article/f16ee35530f84cb294e35404ff7dd66e
Publikováno v:
Cailiao gongcheng, Vol 45, Iss 7, Pp 103-110 (2017)
A series of bending fretting fatigue tests of 18CrNiMo7-6 alloy steel were carried out, the bending fretting fatigue S-N curve was built up, and an analysis was made on the test results. The results show that, the S-N curve of 18CrNiMo7-6 alloy steel
Externí odkaz:
https://doaj.org/article/6849330c7dbd40daa73cf54bb0e86774
Publikováno v:
工程科学学报, Vol 39, Iss 5, Pp 710-720 (2017)
The phase transformations and precipitation behavior were investigated by using Thermo-Calc software in the Fe-(18-21)Cr-(3-5)Al-(0-0.03)C-(0-0.2)Si-(0-0.2)Mn multicomponent system relevant to FeCrAl stainless steel during solidification. The vertica
Externí odkaz:
https://doaj.org/article/6f6dc1584f6643f6b460366bde305150
Publikováno v:
工程科学学报, Vol 39, Iss 4, Pp 520-528 (2017)
The influence of Ti (mass fraction 0.10%) and the joint additions of Ti (mass fraction 0.11%) and V (mass fraction 0.20%) on the hot ductility of as-cast high manganese austenitic steels were studied using a Gleeble-3500 thermo-mechanical simulator o
Externí odkaz:
https://doaj.org/article/82cc72afd6f8458a8addfb1e7f8aba71
Publikováno v:
工程科学学报, Vol 39, Iss 2, Pp 208-214 (2017)
The solid-state desilication kinetics of silicon manganese powder and Brazil manganese powder was investigated by microwave heating and conventional heating. During the two processes, Brazil manganese powder which reacted with silicon in silicon mang
Externí odkaz:
https://doaj.org/article/8cca627f8b9f48a8b050c5cbf85c4fff
Publikováno v:
工程科学学报, Vol 38, Iss S1, Pp 160-168 (2016)
The cleanliness evolution of SWRH82B steel produced by the BOFLFCC process was studied by systematic sampling and lab comprehensive analysis. The results show that the content of oxygen and the number of micro-inclusions significantly decrease after
Externí odkaz:
https://doaj.org/article/afb67319df334acdbfd4e69b38c7e4e1