Results 61 to 70 of about 15,465 (198)

Effect of Surface Treatment of Multi-Directionally Forged (MDF) Titanium Implant on Bone Response

Metals, 2019
Multi-directional forging (MDFing) of titanium drastically improved its mechanical properties due to the evolution of an ultrafine-grained structure. Forging strain was repeatedly applied while changing the forging axis during MDFing.
Ginga Suzuki, Masatsugu Hirota, Noriyuki Hoshi, Katsuhiko Kimoto, Hiromi Miura, Masao Yoshinari, Tohru Hayakawa, Chikahiro Ohkubo   +7 more
doaj   +1 more source

Study on the plasticity improvement mechanism and grain refinement of AZ80 Mg alloy under cryogenic multi-directional forging

Journal of Materials Research and Technology
The introduction of twin lamellae and dislocation interaction through Multi-directional forging (MDF) at room temperature (RT) has been reported to significantly improve the mechanical properties of Mg alloys.
Shuchang Li, Zhuo Wang, Xi Zhao, Xiangdong Wang, Jianmin Yu   +4 more
doaj   +1 more source

Využití numerických simulací při optimalizaci technologických procesů objemového tváření za studena [PDF]

, 2012
The paper deals with numerical and physical modelling aimed at optimisation of production technology and designing of manufacturing tools with use of finite-element method.
Brumar, Tomáš, Kedroň, Jan, Rusz, Stanislav, Salajka, Michal, Tylšar, Stanislav   +4 more
core  

Numerical simulation of multi-directional hot forging for the reduction of forging defects

, 2015
Hot forging is a metal forming process widely used in the industry. Among the many advantages are the possibility of severe plastic deformation and the improvement of mechanical properties, leading to the continued development of forging for industrial applications.
Septímio, Rudimylla da S., Button, Sergio T.   +1 more
openaire   +1 more source

Grain refining with DDRX by isothermal MDF of Al-Zn-Mg-Cu alloy

Journal of Materials Research and Technology, 2020
Evolution of grain structure during isothermal multi-direction forging (MDF) of an Al-Zn-Mg-Cu alloy at 400 °C and 450 °C with strain rates from 10−3 s−1 to 10−5 s−1 was investigated with electron backscattering diffraction (EBSD) and transmission ...
Jiuhui Zhao, Yunlai Deng, Jianguo Tang
doaj   +1 more source

Multi-Directional Forging and Warm Extrusion of AZ80Mg Alloys

MATERIALS TRANSACTIONS, 2021
Hiromi Miura, Keiichiro Minami, Masakazu Kobayashi, Chihiro Watanabe   +3 more
openaire   +2 more sources

The Control of Flow Localization in the Post Severe Plastic Deformation (SPD) Forming of Aluminum Through the Application of Low Strain Amplitude Multidirectional (LSA-MDF) Forging [PDF]

Materials Research
Severe Plastic Deformation (SPD) of metals leads to their strengthening and losses in the work hardening capacity. The latter causes flow localization upon subsequent forming of the material.
C.G. de Faria, M.T.P. Aguilar, P.R. Cetlin   +2 more
doaj   +1 more source

Kesediaan pelajar dari aspek kemahiran teknikal terhadap pembentukan kebolehkerjaan di Kolej Vokasional Wilayah Selatan [PDF]

, 2015
Graduan yang menganggur terus menjadi masalah yang semakin meruncing di Malaysia. Terdapat majikan yang menganggap kompetensi akademik sahaja tidak mencukupi dan mula meminta institusi pendidikan tinggi untuk menghasilkan graduan yang dilengkapi ...
Hanafi., Suhaili
core  

Effects of multi-directional forging process on coarse crystalline phases and mechanical properties of 2195 Al–Cu–Li alloy

Journal of Materials Research and Technology
The 2195 Al–Cu–Li alloy, extensively used in aerospace applications such as rocket tank transition rings, suffers from coarse crystalline phases formed during casting.
Hailin He, Huiyu Chen, Mianzhi Tang, Youping Yi, Wenxue Zhang, Shiquan Huang, Fei Dong   +6 more
doaj   +1 more source

Progress in mixed Eulerian-Lagrangian finite element simulation of forming processes [PDF]

, 1990
A review is given of a mixed Eulerian-Lagrangian finite element method for simulation of forming processes. This method permits incremental adaptation of nodal point locations independently from the actual material displacements.
Donea, Gelten, Gosh, Hinton, Huang, Hughes, Huétink, Huétink, Huétink, Huétink, Nagtegaal, Nagtegaal, Ponthon, Ponthon, Rebelo, Schreurs, Schreurs, St. Doltsinis, St. Doltsinis, Thompson, van der Lugt, van der Lugt, Zienkiewicz, Zienkiewicz   +23 more
core   +3 more sources