Zobrazeno 1 - 10
of 5 607
pro vyhledávání: '"Y.-M. Li"'
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
Publikováno v:
QJM: An International Journal of Medicine.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d24d84b8e974c57dbab6a23758febc4
https://doi.org/10.1093/qjmed/hcad041
https://doi.org/10.1093/qjmed/hcad041