Zobrazeno 1 - 10
of 5 573
pro vyhledávání: '"Y.‐M. Li"'
Publikováno v:
Metalurgija, Vol 63, Iss 1, Pp 35-38 (2024)
Aiming at the large weight of automobile steel solid shaft, this paper innovates aluminum alloy hollow shaft. The rolling process of automobile hollow shaft was simulated by using the short process flexible precision forming process and the Finite El
Externí odkaz:
https://doaj.org/article/fb8109ef62264658930567cb124b4640
Publikováno v:
Metalurgija, Vol 62, Iss 1, Pp 81-84 (2023)
In this paper, Simufact FE software is used to establish a simulation model of three-roll diagonal roll piercing integrated forming flange nut blanks, elaborate its process principle, analyze its forming process through numerical simulation. The law
Externí odkaz:
https://doaj.org/article/a540ef7d39124411aef6326b76307039
Publikováno v:
Metalurgija, Vol 59, Iss 3, Pp 305-308 (2020)
The Gleeble - 1500D thermal simulator was used to conduct the isothermal compression test of 21 - 4N heat-resistant steel under the T range of 1 273 - 1 453 K and ε̇ of 0,01 – 10 s-1. Using the obtained stress - strain data, various parameters of
Externí odkaz:
https://doaj.org/article/c5fa69f6a965460f8511d9584cef9086
Publikováno v:
Metalurgija, Vol 59, Iss 3, Pp 321-324 (2020)
This article takes the 21 - 4N engine valve as the research object and studies the effects of die forging temperature (1 000 - 1 180 °C), die forging speed (0,15 - 200 mm / s) and friction coefficient (0,1 - 0,5) on die forging results. First, a fin
Externí odkaz:
https://doaj.org/article/669eb8855c564ac385937b76dd1f209a
Publikováno v:
Metalurgija, Vol 59, Iss 1, Pp 13-17 (2020)
At the deformation temperature of 1 103-1 283 K, with strain rate of 0,01 – 10 s-1, and total strain of 0,7, the deformation behavior of TC6 titanium alloy was studied. The Arrhenius constitutive model is established by using stress - strain data w
Externí odkaz:
https://doaj.org/article/4c93c7e9f7bf449891022aac716fc42c
Publikováno v:
Metalurgija, Vol 58, Iss 1-2, Pp 83-86 (2019)
The effect of grain growth on 21-4N heat resistant steel was studied by static grain growth test. The experimental results show that the temperature inhibits carbide grain growth is between 1 000 - 1 120 °C. When heat preservation time is over 40 mi
Externí odkaz:
https://doaj.org/article/de84b98659ab406893219738df6d8f21
Publikováno v:
Metalurgija, Vol 58, Iss 3-4, Pp 191-195 (2019)
The 3Cr23Ni8Mn3N heat-resistant steel was subjected to isothermal constant strain rate compression experiments using a Gleeble - 1 500D thermal simulator. The thermal deformation behavior in the range of deformation temperature 1 000 - 1 180 °C and
Externí odkaz:
https://doaj.org/article/a51357825b7945d6a8e8c2a2e866854f
Publikováno v:
Plant Biology. 25:334-342
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b26553e74f59fa5f1f9b8b2da082ec98
https://doi.org/10.1111/plb.13491
https://doi.org/10.1111/plb.13491
Publikováno v:
eXPRESS Polymer Letters, Vol 12, Iss 10, Pp 946-956 (2018)
In the present research, 1,3-dimethyl-imidazolium dimethyl phosphate ([Mmim][DMP]) ionic liquid was applied to dissolve alkali lignin from wheat grass to prepare for lignin micro/nano-particles. The alkali lignin can be dissolved completely at 80 °C
Externí odkaz:
https://doaj.org/article/5602f0a8bb714c28b66e59cd04373897
Autor:
Kenneth K H, Lai, Winnie C W, Chu, Emmy Y M, Li, Regine Y C, Chan, Yingying, Wei, Ruofan, Jia, Andy C O, Cheng, Karen K W, Chan, Joyce K Y, Chin, Jeremy S W, Kwok, Ida Y F, Io, Nelson K F, Yip, Kenneth K W, Li, Wai Ho, Chan, Nai Man, Lam, Wilson W K, Yip, Alvin L, Young, Edwin, Chan, Callie K L, Ko, Simon T C, Ko, Hunter K L, Yuen, Clement C Y, Tham, Chi Pui, Pang, Kelvin K L, Chong
Publikováno v:
Asia-Pacific Journal of Ophthalmology. 11:417-424
To evaluate the presenting radiological features of immunoglobulin G4-related ophthalmic disease (IgG4-ROD) and their associations with IgG4-related optic neuropathy (IgG4-RON), and IgG4-related ocular adnexal lymphoma (IgG4-ROL).A territory-wide, bi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f7830836e49f2577da751296e006d6eb
https://doi.org/10.1097/apo.0000000000000552
https://doi.org/10.1097/apo.0000000000000552