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	A nanotwin-based analytical model to predict dynamics in cryogenic orthogonal machining copper 期刊论文 OAI收割 INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY, 2020, 卷号: 111, 期号: 11-12, 页码: 3189-3205 作者: Liu Y(刘垚); Cai SL(蔡松林); Chen Y(陈艳); Su MY(苏明耀); Dai LH(戴兰宏) \| 收藏 \| 浏览/下载：145/0 \| 提交时间：2020/12/28 Machining METAL-CUTTING PROCESS Orthogonal cutting model SURFACE INTEGRITY Cryogenic cooling FLOW-STRESS Hopf bifurcation RATE SENSITIVITY Nanotwin INCONEL 718 GRAIN-SIZE STRENGTH MICROSTRUCTURE DEFORMATION SPEED
	Characterization of the deformation field in large-strain extrusion machining 期刊论文 OAI收割 JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, 2015, 卷号: 216, 页码: 48-58 作者: Cai SL; Chen Y; Ye GG; Jiang MQ(蒋敏强); Wang HY 收藏 \| 浏览/下载：85/0 \| 提交时间：2015/03/17 Extrusion machining Shear strain Severe plastic deformation
	Machining Deformation Prediction of Thin-Walled Part Based on Finite Element Analysis 期刊论文 OAI收割哈尔滨工业大学学报：英文版, 2015, 卷号: 22.0, 期号: 004, 页码: 47 作者: Wang Hongxiang; Tang Yabin; Liu Zhanshan; Gao Shi \| 收藏 \| 浏览/下载：2/0 \| 提交时间：2023/12/04 thin-walled part machining deformation residual stress aluminum alloy finite element simulation
	Change in Microstructure and Mechanical Properties of Steel Components Surface Layer by Severe Plastic Deformation 期刊论文 OAI收割 TETSU TO HAGANE-JOURNAL OF THE IRON AND STEEL INSTITUTE OF JAPAN, 2008, 卷号: 94, 期号: 12, 页码: 616-628 作者: Umemoto, Minoru; Todaka, Yoshikazu \| 收藏 \| 浏览/下载：28/0 \| 提交时间：2021/02/02 steel heavy deformation white etching layer nanocrystalline structure drilling hard turning machining shot peening microstructure mechanical properties
	Material removal and surface damage in EDM of Ti3SiC2 ceramic 期刊论文 OAI收割 Ceramics International, 2008, 卷号: 34, 期号: 3, 页码: 537-541 C. F. Hu; Y. C. Zhou; Y. W. Bao 收藏 \| 浏览/下载：25/0 \| 提交时间：2012/04/13 surfaces strength Ti3SiC2 electrical discharge machining discharge machining process theoretical-models contact damage erosion model microstructure deformation oxidation composite strength behavior
	Research on the support structure of the primary mirror of large-aperture telescope (EI CONFERENCE) 会议论文 OAI收割 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies, AOMATT 2007: Large Mirrors and Telescopes, July 8, 2007 - July 12, 2007, Chengdu, China Yang W.; Jingxu Z. 收藏 \| 浏览/下载：26/0 \| 提交时间：2013/03/25 Large-aperture telescope can be used in surveying battlefield researching landform searching object real-time monitoring imaging detecting and identifying spatial targets and so on. A large-aperture telescope for achieving high resolution power is designed to monitor spatial target and image in real time. Real-time monitoring plays an important role in military conflicts. The orbit parameter of object quantity geometrical shape parameter and so on can be obtained by detect spatial target. With the development of optical technology people require larger aperture in optics-electronic (OE) system. By increasing optical aperture the ability of collecting light and resolution power in the system can be enhanced. But the support structure of the primary mirror of large-aperture telescope will be a very difficult problem. With the increase of primary mirror aperture the weight of the primary mirror will become larger than before. The root mean square (rms) of the primary mirror is affected by many factors such as deadweight deformation of heat environment and so on. Due to the primary mirror of telescope is an important component of telescope system. By reducing the weight of primary mirror precision of the system is ensured. During the designing phase one can consider the supporting project of the primary mirror synthetically and analyze it roundly according to technical requirement of optical system and the effect factors. The final structural design can be reasonable. In an astronomical telescope the surface of reflector is an important part for collecting dark radiation of celestial bodies. Its surface shape will have an effect on collecting efficiency of telescope radiant energy directly. So the rms must be very high. Optical system of large aperture small wavelength and small focus can receive maximal light intensity. For ground-based optical astronomical telescope the design proposed in the paper can satisfy the requirement of the possible minimum atmosphere seeing at astronomical observatory site and exert the use efficiency of the telescope adequately. So the accuracy of the traditional surface of reflector can assure that 90% of all the light energy can be focused on within the angle diameter range of the minimum atmosphere seeing then 100% of light energy should be focused on the angle diameter range of minimum atmosphere seeing. Because the rms of mirror is very high precise surface machining and accurate the support of mirror are very important tasks during designing and manufacturing the telescope. In the paper various support techniques of a large-aperture telescope primary mirror are discussed and a 3.5 meter telescope system at the Starfire Optical Range (SOR) overviewed simply which was operated by the Directed Energy Directorate of the Air Force Research Laboratory Kirtland AFB NM USA from the ground-based O-E system for the observations of spatial target. We also analyze Theoretical elastic deformation of the Steward Observatory 2.3 meter mirror is analyzed.
	Support technique of ultra thin mirror in space optics (EI CONFERENCE) 会议论文 OAI收割 2nd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, November 2, 2005 - November 5, 2005, Xian, China 作者: Ren J.-Y.; Gao M.-H. 收藏 \| 浏览/下载：31/0 \| 提交时间：2013/03/25 With the development of space optical system the technique of ultra thin mirror come forth and is paid more attention because of less difficulty in machining low cost lightweight no disassembly during detecting and maintaining. The key technique takes advantage of deformation of ultra thin mirror as the influence of environment to adjust the surface figure. Its accuracy meets requirement. An analysis method is based on finite element analysis (FEA) and many items including the amount of support points the way of arrangement the optimum design of support component are studied. The finite element method was used to analyze the mirror and some different mirror support schemes. The principal aim of the mirror analysis is to get numbers of support points and the ways of the support. There are three schemes including 12-6-1 12-8-1 and 16-8-1 models. Deformation of deadweight is calculated under the three conditions. The way of 16-8-1 is more suitable than the designs of other two. The support subassembly is amended to meet with the mirror surface RMS in the range of 30m. Deformation of the mirror with support structure has been calculated. The result is 16.52nm lower than a quarter of the wavelength which indicates the feasibility of the support scheme applied to mirror. Theoretical result for the best way of support is presented. The result of analysis shows that requirement surface figure could be met through adjusting support points. It predicts feasibility of the support technique and provides theoretical value for active adjustment in the laboratory. At present support and adjusting experiment of ultra thin mirror is being carried on.