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J. Cent. South Univ. (2012) 19: 1927-1931 DOI: 10.1007/s11771-012-1227-7 Pulse modulated microwave and infrared thermography for superficial hyperthermia MA Guo-jun(马国军)1, 2, JIANG Guo-tai(江国泰... a pulse modulated microwave (PMMW) was presented. A 3D sliced homogeneous phantom was radiated by the PMMW and an infrared thermal imager was applied to image temperature distribution throughout......
/L phytic acid. The effects of electric parameters including frequency, final voltage, duty cycle and current density on the corrosion resistance of anodic coatings formed on the magnesium alloys were... pulse and a negative pulse). In the experiment, the unipolar pulse was used under a constant current control mode. The frequency, final voltage and duty cycle of the power supply can be adjusted from 100......
Mechanism and microstructure of nickel-ceria composite coatings prepared by pulse current deposition under the ultrasonic field周小卫1,沈以赴1,郑莹莹1,靳惠明21. College of Materials Science and Technology... with pulse current (PC) deposition and the ultrasonic (U) field was used to fabricate pure nickel and nickel-ceria composite coatings, respectively. Morphology, crack propagation, and crystal texture were......
Mechanism and microstructure of nickel-ceria composite coatings prepared by pulse current deposition under the ultrasonic field周小卫1,沈以赴1,郑莹莹1,靳惠明21. College of Materials Science and Technology... with pulse current (PC) deposition and the ultrasonic (U) field was used to fabricate pure nickel and nickel-ceria composite coatings, respectively. Morphology, crack propagation, and crystal texture were......
Microstructure and Mechanical Properties of Submicron-grained NiAl-Al2O3 Composite Prepared by Pulse Current Auxiliary Sintering徐桂华,卢振School of Materials Science and Engineering,Harbin Institute of Technology摘 要:Dense and submicron-grained NiAl-Al2O3 composite was fabricated by pulse current auxiliary sintering(PCAS).Its microstructure was analyzed......
scattering is in the direction of the electron flow, which is known as the electron wind force. LIN et al [16] investigated the effect of pulse electric current stimulated the microstructure variation in the heat affected zone of cast hot working die steels and reported that, when the pulse electric current was passing through the bulk of metal material, some accompanying effects, such as electron wind......
. Meanwhile, the neighboring B2-phase grains markedly differed in the colors or orientations at the intersection of grain boundary. DOLINSKY et al [24] and QIN et al [25] reported that electric current pulse... J. Cent. South Univ. (2019) 26: 550-559 DOI: https://doi.org/10.1007/s11771-019-4026-6 Temperature distribution and effect of low-density electric current on B2+O lamellar microstructure of Ti2AlNb......
J. Cent. South Univ. Technol. (2008) 15: 814-818 DOI: 10.1007/s11771-008-0150-4 Current efficiency improvement of Zn-Fe alloy electrodeposition by hydrogen inhibitor WANG Yun-yan(王云燕), XIAO...; Abstract: In order to inhibit hydrogen evolution and enhance current efficiency......
current density (1-7 A/dm2) and pulse frequency (200-1000 Hz) on deposition rate, structure and corrosion resistance performance of Ni-W-P coatings were studied by single factor method. Surface... resistance performance of Ni-W-P coatings. The optimized parameters of pulse electroplating Ni-W-P coatings were as follows: pH 2.0, temperature 60 °C, average current density 4 A/dm2, and pulse......
Effect of electric pulse on the crystal structure of solidified copper ingotsLi-hua Zhao1,2,Li Zhan2,3,Hao Bai2,Da-qiang Cang21. State Key Laboratory of Advanced Metallurgy, University of Science...="ChDivSummary">To obtain advanced quality pure copper, the microstructure of solidified copper was optimized by imposing electric pulse on liquid copper in this study. Experiments were performed......