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| 1 | Gradient Structured Copper by Rotationally Accelerated Shot Peening显示文摘A new technology—rotationally accelerated shot peening(RASP), was developed to prepare gradient structured materials. By using centrifugal acceleration principle and large steel balls, the RASP technology can produce much higher impact energy compared to conventional shot peening. As a proof-of-concept demonstration, the RASP was utilized to refine the surface layer in pure copper(Cu) with an average grain size of 85 nm. The grain size increases largely from surface downwards the bulk, forming an800 ?m thick gradient-structured surface layer and consequently a micro-hardness gradient. The difference between the RASP technology and other established techniques in preparing gradient structured materials is discussed. The RASP technology exhibits a promoting future for large-scale manufacturing of gradient materials. | X.Wang Y.S.Li Q.Z.ang Y.H.Zhao Y.T.Zhu | 2017 | Journal of Materials Science & Technology2017，33，7： | 11 |
| 2 | PPA在LLDPE/LDPE农膜加工中的应用显示文摘本工作以LLDPE/LDPE为基料,添加氟弹性体加工改性剂DynamarPPA,采用LDPE挤出机加工农膜。结果表明,挤出机加工LLDPE的能力大幅度地提高,使共混物中LLDPE含量从原来的40%增加到80%,薄膜的物理机械性质亦有明显改善,而主机电流和挤出量未见变化。在添加无滴剂母料条件下,可加工LLDPE总含量达95%的无滴膜,且该膜的力学性质和光学性质均住。 | 景遐斌 宋玉春 闫春珍 姜诚德 王兴盛 刘强 D.W.Stiff J.H.Horns Y.H.Zhao | 1998 | 塑料1998，27，1： | 3 |
| 3 | EVOLUTION OF MICROSTRUCTURE OF LASER SURFACE ALLOYING OF γ TiAi ALLOY WITH NITROGEN显示文摘Laser surface alloying of γ TiAl alloy with nitrogen was studied under the constant protective nitrogen current (20l /min). The experimental results shown that the surface multi layers formed with experimental parameters could be up to 600μm depth; it consists of TiN,Ti 2AlN,α 2 and γ phases, without AlN, and the irregular coarse continuous “flow” line,dendrite,needle and granular nitrides disperse on the fine dendrite casting α 2 and γ phases substrate. The microstructure and compositions in the nitiding layer were determined and analyzed by SEM and EPMA and the mechanism for the formation of microstructure in the nitriding layer was also discussed. | D.Wen 1) , Q.K.Cai 2) ,C.S. Liu 1) , Y.J. Guo 1) and Y.H.Zhao 1) 1) School of Materials and Metallurgy, Northeastern University, Shenyang 110006,China 2) Shenyang University, Shenyang 110044, China | 1999 | Acta Metallurgica Sinica(English Letters)1999，12，5： | 1 |
| 4 | SINTERABILITY EXPERIMENTS OF PORTAND CEMENT WITH IRON-TAILINGS AS RAW MATERIALS显示文摘The sinterability of Portland Cement with iron tailings as raw materials are studied. Experimental results showed that iron tailings, owing to the existences of the trace elements, play an important role in improving the sinterability of the raw meals and decreasing the calcination temperature. | J.Z.Wang and Y.H.Zhao Shenyang Architectural and Civil Engineering Institute, Shenyang 110015,China | 1999 | Acta Metallurgica Sinica(English Letters)1999，12，5： | 0 |
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