Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Xiang-Dong Jia"'
Publikováno v:
Materials, Vol 15, Iss 15, p 5220 (2022)
With higher creep strength and heat resistance, 34CrNi3Mo has been widely used in the production of engine rotors, steam turbine impellers, and turbine blades. To investigate the hot deformation behaviors of 34CrNi3Mo steel, hot compressive tests wer
Externí odkaz:
https://doaj.org/article/9b723d4902f744aba1a47ce2d8fba96f
Publikováno v:
Metals, Vol 11, Iss 1, p 77 (2021)
2219 aluminum alloy is a kind of high-strength Al-Cu-Mn alloy that can be strengthened by heat treatment. Its mechanical property parameters and forming properties are greatly affected by the deformation rate, temperature and strain. Taking 2219 alum
Externí odkaz:
https://doaj.org/article/f46d62c4668146d3b2d497d5ae0e45c4
Publikováno v:
Journal of Manufacturing Processes. 59:690-697
Ultrasonic vibration-assisted forming technology has the advantages of enhanced forming limit and reduced forming load. An ultrasonic vibration (UV) upsetting experiment is designed and carried out in this study to explore the law and the mechanism o
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 111:1617-1626
In order to solve the problem of forming parts with complex shape and small local feature size, solid granules medium forming (SGMF) was adopted. A part of magnesium alloy AZ31B with double-cone shape was taken as an example to analyze the forming pr
Autor:
Changcai Zhao, Xiang-dong Jia
Publikováno v:
The International Journal of Advanced Manufacturing Technology. 102:659-671
With the development of sheet metal forming technology and the increase in the application of spherical shell parts, flexible male die drawing technology has become one of the research hotspots because of its merits on strong applicability and abilit
Publikováno v:
Metals, Vol 11, Iss 77, p 77 (2021)
Metals
Volume 11
Issue 1
Metals
Volume 11
Issue 1
2219 aluminum alloy is a kind of high-strength Al-Cu-Mn alloy that can be strengthened by heat treatment. Its mechanical property parameters and forming properties are greatly affected by the deformation rate, temperature and strain. Taking 2219 alum
Publikováno v:
Journal of Zhejiang University-SCIENCE A. 18:194-211
Solid granules medium forming (SGMF), a new flexible die forming technology, uses solid granules instead of a rigid male or female die (or elastomer, liquid) for sheet metal drawing. The good fluidity and compressive capacity of a solid granules medi
Publikováno v:
Advanced Materials Research. :4152-4156
The RAKE receiver has must been used in CDMA or 3G systems for its function to form the diversity reception of signals resulting from multi-path propagations. The basic condition for the implementation of RAKE receiver is that the spectrum spreading
Publikováno v:
Advanced Materials Research. :755-759
Classic RAKE demodulator(RAKEDE), multi-carrier coherent RAKEDE and RAKEDE with two antennas are given in the paper. According to those schemes provided, the GSNR, which means the gain of signal to noise ratio (SNR), for those three kinds of RAKEDE i
Publikováno v:
Applied Mechanics and Materials. :1874-1878
In reality, wireless communication channels are designed to serve for multiple users while multipath propagation interference (MPI) and other problems are deteriorating the quality of service, especially when modern wireless communication demands hig