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电沉积法制备块体纳米晶材料的研究进展 赵芳霞1,周剑秋1,戴玉明1,张振忠1 (1.南京工业大学材料科学与工程学院,南京,210009;2.南京工程学院材料工程学院,南京,211167) 摘要:综述了电沉积法制备块体纳米晶材料的原理;阐述了电流密度,电流波形,有机添加剂等工艺参数对沉积层晶粒尺寸的影响;介绍了直流电沉积,脉冲电沉积,喷射电沉积和复合电沉积等几种常见的电沉积方法;概述了电沉积法制备块体纳米晶材料的国内外研究现状;探讨了电沉积块体纳米晶材料的力学性能,磁学性能,耐蚀性能,热稳定性及其应用前景. 关键词:电沉积; 块体纳米晶材料; 制备; 性能; electrodeposition; bulk nanocrystalline materials; preparation; properties; [全文内容正在添加中] ......
Structure and magnetic properties of bulk nanocrystalline Nd-Fe-B permanent magnets prepared by hot pressing and hot deformation宋杰1,岳明1,左建华1,张子瑞1,刘卫强1,张东涛1,张久兴1,郭朝晖2,李卫21. College of Materials... properties were studied for bulk nanocrystalline Nd-Fe-B permanent magnets that were prepared at 650 °C for 3 min under 300 MPa using the SPS-3.20-MK-V sintering machine and the hot pressed magnets were......
Structure and magnetic properties of bulk nanocrystalline Nd-Fe-B permanent magnets prepared by hot pressing and hot deformation宋杰1,岳明1,左建华1,张子瑞1,刘卫强1,张东涛1,张久兴1,郭朝晖2,李卫21. College of Materials... properties were studied for bulk nanocrystalline Nd-Fe-B permanent magnets that were prepared at 650 °C for 3 min under 300 MPa using the SPS-3.20-MK-V sintering machine and the hot pressed magnets were......
fragility was determined to be 23.4.By controlling the casting process,Cu45Zr45Al5Ni5 bulk metallic glass composite with the presence of ductile B2 CuZr phase was fabricated.The composite shows...Thermal Stability and Transformation-mediated Deformability of Cu-Zr-Al-Ni Bulk Metallic Glass CompositeMeiting Xie1,Pengna Zhang2,Kaikai Song3,41. School of Mechanical Engineering, Binzhou......
Bulk Al–Al3Zr composite prepared by mechanical alloying and hot extrusion for high-temperature applicationsE.Pourkhorshid1,M.H.Enayati1,S.Sabooni1,F.Karimzadeh1,M.H.Paydar21. Department of Materials Engineering, Isfahan University of Technology2. Department of Materials Science and Engineering, School of Engineering, Shiraz University摘 要:Bulk Al/Al3Zr......
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Synthesis and characterization of bulk composite Fe-Si-B alloys with small concentration of Nb and MoS.Bez,I.Betancourt,I.A.FigueroaInstitute for Materials Research,National Autonomous University of Mexico (UNAM)摘 要:The preparation and some mechanical,thermal and magnetic properties of the as cast bulk composite Fe72B19.2Si4.8M4 (M=Nb,Mo) alloys......
Enhanced tensile plasticity of a CuZr-based bulk metallic glass composite induced by ion irradiationPeng Xue1,2,3,Simon Pauly3,Songshan Jiang1,2,Hongbo Fan2,Zhiliang Ning2,Yongjiang... irradiation is utilized to tune the structure and mechanical properties of a Cu48Zr47.2Al4Nb0.8 bulk metallic glass composite(BMGC). Ion irradiation increases the disorder near the surface, as probed......
thought to be beneficial to the anti-corrosion properties. Key words: corrosion; nanocrystalline materials; coating; thermal spray; nickel-based alloys ..., such as thermal sprayed nickel- or iron-based alloy coatings [3-4]. Nanostructured (or nanocrystalline) materials, usually characterized by a microstructural length scale in 1-200 nm, have received considerable......
Densification and microstructure evolution of nanocrystalline W-Ni-Fe composite powders during sintering ZENG Yi, FAN Jing-lian, GONG Xing, DING Fei (State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, China) Abstract: Nanocrystalline 93W-4.9Ni-2.1Fe composite powders were synthesized by sol-spray drying and subsequent hydrogen reduction process......
