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Interfacial electrokinetic characteristics before and after bioleaching microorganism adhesion to pyrite LIU Jian-she(柳建设), WANG Zhao-hui(王兆慧), CHEN Hong(陈 红), ZHANG Yan-hua(张艳华) School... in different levels of ionic strength and pH values were measured by Coulter Delsa 440SX zeta potential determinator. Meanwhile, the effects of bacterial adhesion and bacterial concentration on zeta potential......
热镀锌镀层粘附性不良的机制研究伍康勉1,成小军1,焦国华1,刘希林1,李晓少1(1.湖南省娄底市湖南华菱涟源钢铁有限公司)摘 要:通过试样斜磨在扫描电镜下可清晰地直接观察到正常镀层的Fe-Al抑制层.研究结果表明,实际生产中导致粘附性不良的原因多种多样,但却都表现为镀层异常.NOF段空燃比(过剩空气系数)偏低时,带钢表面碳富集导致粘附性不良.NOF段板温与空燃比过高时,氧化严重导致还原段负荷过重,表面还原不良引发粘附性不良,此时,靠近基板的镀层处存在大量ZnO.镀锌层分层(镀层控制不良)导致粘附性不良,分层处为......
Adhesion Wear of Carbide Tool when Machining GH 907邵芳Shandong Binzhou Vacational College摘 要:The adhesion wear of cemented carbide tool when machining GH907 was studied with white light interferometer,infrared imaging,and SEM-EDS.The adhesion wear morphology,wear mechanism and the wear rule of adhesion were analyzed,and the effect of different cutting......
composite; electroless Ni plating; adhesion analysis; [全文内容正在添加中] ......
of microhardness increasing. Bend test revealed that the functionally graded composite coating shows more excellent adhesion to the substrate compared with the ordinary distributed Ni-NCZ on the same... graded composite coating; microhardness; wear resistance; adhesion 1 Introduction Co-electrodeposition (CED) technique is a low-cost and low-temperature method suitable for producing metal matrix composite......
Trans. Nonferrous Met. Soc. China 22(2012) s395-s401 Influence of interfacial adhesion strength on formability of AA5052/polyethylene/AA5052 sandwich sheet LIU Jian-guang1, 2, LIU Wei1, 2, WANG... of Technology, Harbin 150001, China Received 28 August 2012; accepted 25 October 2012 Abstract: The effects of interfacial adhesion strength between skin sheet and core polymer on the formability of AA5052......
63875) 摘要:Shaft-loaded blister test technique is used as an effective quantitative tool to measure adhesion strength. Investigation on conductive adhesive was done by modified blister test. It is found that shaftloaded blister test can be a good solution for the debonding of thin film adhesion. The intrinsic stable interface debonding process has been proved an attractive alternative......
).The adhesion strength between film and matrix was evaluated by ways of stick-peeling test. The surface micro-hardness of the coating is above HK0.011 433, and the specific wear ratio of specimens coated with TiN-CrN films tested decreases greatly compared to that of the bare metal. Key words: arc-glow plasma depositing; magnesium alloy AZ91D; TiN-CrN multi-layer film; adhesion strength; friction......
Adhesion between Nonreactive Liquid Metals and Transition Metal Carbides李建国摘 要:<正> On the basis of the experimental work of adhesion(W)data,the adhesion between transition metal car-bides and pure liquid metals which do not react with carbides is studied.In view of great scattering of the ex-perimental values of W,a critical analysis......
of AM60 magnesium alloy and Mg2Si/AM60 magnesium matrix composites decrease with increase in applied load and sliding rate. The wear feature of the AM60 magnesium alloy is adhesion wear. The wear mechanism of Mg2Si/AM60 magnesium matrix composites transforms from abrasive wear to adhesion wear with the increase of load. Key words: magnesium alloy; Mg2Si/AM60 composite; friction; wear; wear......