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), cyclohexyl methacrylate (CHMA) and o-nitrobenzyl methacrylate (NBMA) via reversible addition fragmentation chain transfer (RAFT) polymerization method. PTBCHNB was characterized by FTIR, 1HNMR, GPC...-ammonium hydroxide aqueous solution as a developer.Key words:photoresists; o-nitrobenzyl methacrylate; tertiary-butyl methacrylate; reversible addition fragmentation chain transfer......
IMPROVEMENT OF TYPE IV CRACKING RESISTANCE OF 9Cr HEAT RESISTING STEEL WELDMENT BY BORON ADDITION T.Watanabe1,F.Yin1,M.Kondo1,M.Tabuchi1,F.Abe1,H.Hongo1 (1.National Institute for Materials Science... investigated the effect of boron addition on the creep properties of 9Cr steel weldments. Four kinds of 9Cr3W3CoVNb steels with boron content varying from 4.7×10-5 to 1.8×10-4 and with nitrogen as low......
Effect of partial replacement of carbon by nitrogen on intergranular corrosion behavior of high nitrogen martensitic stainless steelsWei-Chao Jiao1,Hua-Bing Li1,Jing Dai1,Hao Feng1,Zhou-Hua... University摘 要:The microstructure evolution and intergranular corrosion(IGC) behavior of high nitrogen martensitic stainless steels(MSSs) by partial replacing......
Influence of Zirconium Addition on Magnetic Properties and Temperature Coefficient for Nanocomposite Nd10Fe78.5-xCo5ZrxB6.5 Magnets Ni Jiansen1,Tan Xiaohua1,Dong Yuanda1,Zhang Shiyan1,Xu Hui1 (1.Institute of Material Science, Shanghai University, Shanghai 200072, China) Abstract:The influence of Zr addition on magnetic properties and temperature coefficient for nanocomposite......
Effect of Cd and Sn Addition on the Microstructure and Mechanical Properties of Al-Si-Cu-Mg Cast Alloy LI Run-xia1,LI Rong-de1,HU Zhuang-qi2,YU Li3 (1.Shenyang University of Technology, Shenyang... on the microstructure and mechanical properties of Al-Si-Cu-Mg cast alloy. With the increase of Cd addition the strength of alloy rises at first and then drops. The optimal amount of Cd and Sn addition......
and trace Ce addition in the alloys obviously refine the sizes of original Ag precipitate in cast alloys and Ag filaments in the in situ composites, and therefore obviously increase the strain strengthening... and 1 430 MPa in the Cu-10Ag alloys solidified slowly or rapidly, as well as in Cu-10Ag-0.05Ce alloy, respectively. Key words: Cu-Ag alloy; composite; strengthening effect; Ce addition ......
Effect of Gallium Addition on Magnetic Properties of Nd2Fe14B-Based/α-Fe Nanocomposite Magnets Ni Jiansen1,Dong Yuanda1,Bai Qin1,Zhang Shiyan1,Wang Hailong1,Xu Hui1 (1.Institute of Materials, Shanghai University, Shanghai 200072, China) Abstract:The influence of Ga addition on the crystallization behavior and the magnetic properties of nanocomposite Nd2Fe14B-based/α-Fe magnets was investigated......
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J. Cent. South Univ. (2020) 27: 1654-1665 DOI: https://doi.org/10.1007/s11771-020-4397-8 Microstructure and corrosion behavior of as-cast ADC12 alloy with rare earth Yb addition and hot extrusion...: The effects of rare earth ytterbium (Yb) addition and hot extrusion on the microstructure and corrosion behavior of as-cast ADC12 were studied by optical microscopy (OM), scanning electron microscopy......
Effect of manganese and potassium addition on CeO_2-Al_2O_3 catalyst for hydrogenation of benzoic acid to benzaldehyde CHEN Fengqiu1,CHENG Dangguo1,HOU Chunyang1,ZHAN Xiaoli1 (1.Department... were prepared to in-vestigate the effect of Mn, K addition on CeO_2-Al_2O_3 catalyst. X-ray diffraction (XRD) and H_2-temperature-programmed reduction (H2-TPR) results suggested that the interaction......
