Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Sh. Keshavarz"'
Publikováno v:
Iranian Journal of Materials Science and Engineering, Vol 17, Iss 4, Pp 33-45 (2020)
In this work, the facile synthesis and identification of hexylmethylimidazolium bis(trifluoromethylsulfonyl)amide ([HMIM]TFSA) and hexylmethylimidazolium triethyltrifluorophosphate ([HMIM]FAP) ionic liquids (ILs), as multifunctional and multipu
Externí odkaz:
https://doaj.org/article/014b1efbd2ec45f9a8191ecab7c7dfa2
Publikováno v:
Iranian Journal of Science and Technology, Transactions A: Science. 40:233-236
In this paper, design and fabrication of a diode pumped Nd:YAG laser using a new design of laser head and high beam quality factor is reported. Appropriate diode lasers are prepared. Driver circuit, which works at quasi continuous wave (QCW) mode is
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 64:1057-1072
In this paper, a shape optimization technique is presented for the cold and hot isostatic pressing of metal powders based on the genetic algorithm (GA) approach. The GA technique is used to obtain the desired optimal compacted component by changing t
Publikováno v:
International Journal of Material Forming. 6:363-376
In this paper, the coupled thermo–mechanical simulation of hot isostatic pressing (HIPing) is presented for metal powders during densification process. The densification of powder is assumed to occur due to plastic hardening of metal particles. The
Publikováno v:
Finite Elements in Analysis and Design. 46:843-861
In this paper, an optimal design is performed for powder die-pressing process based on the genetic algorithm approach. It includes the shape optimization of powder component, the optimal design of punch movements, and the friction optimization of pow
Publikováno v:
Engineering Computations. 27:322-353
PurposeThe purpose of this paper is to present a shape optimization technique for powder forming processes based on the genetic algorithm approach. The genetic algorithm is employed to optimize the geometry of component based on a fixed‐length vect
Publikováno v:
International Journal of Solids and Structures. 46:287-310
In this paper, the large deformation frictional contact of powder forming process is modeled based on a new computational algorithm by imposing the contact constraints and modifying the contact properties of frictional slip. A simple and efficient nu
Publikováno v:
Applied Mathematical Modelling. 32(5):775-801
In this paper, the computational aspects of large deformation frictional contact are presented in powder forming processes. The influence of powder–tool friction on the mechanical properties of the final product is investigated in pressing metal po
Publikováno v:
Materials & Design. 29:1199-1211
In this paper, the influence of powder–tool friction on the mechanical properties of the final product is investigated in pressing metal powders. A computational algorithm is presented for simulation of frictional contact in the compaction process
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