共搜索到18629条信息，每页显示10条信息，共1863页。用时：0小时0分1秒42毫秒
irradiated by high-current pulsed electron beam[J]. The Chinese Journal of Nonferrous Metals, 2017, 27(9): 1879-1888. [20] 傅迎庆. 热喷涂Al-Cu-Cr准晶的粒子扁平化及涂层组织性能研究[D]. 大连: 大连海事大学, 2010: 55-59. FU Ying-qing. Study on particle flattening, microstructure and properties of HVOF and low power plasma sprayed Al-Cu-Cr quasi crystalline coatings[D]. Dalian: Dalian Maritime University, 2010: 55-59. [21] 韩 滔, 邓春明, 罗兵辉......
of copper smelting slag to prepare crude Fe-Cu alloy[J]. JOM, 2017, 69(9): 1688-1695. [17] CHUN Tie-jun, MU G, DI Z, et al. Recovery of iron from copper slag by carbothermic reduction and magnetic separation.../L的溶液加入反应釜中并密闭,然后将反应釜加热至110 ℃并计时.待反应时间结束,立即通入自来水快速降低反应釜内温度.矿浆经固液分离以获得浸出渣,并经干燥后供后续分析检测使用. 1.3 分析和检测 铜渣,还原焙烧产物及浸出渣的物相组成采用MAX-RB型转靶X射线衍射仪(XRD)进行分析,其实验参数为:Cu Kα射线(λ=1.5406 ),扫描5°＜2θ＜70°和扫描速度10......
/Ni[10],V/Cu[11],Ti/Ni[12]和Ti/Cu[13].复合中间层实现了钨与钢的良好扩散连接,其连接界面结合良好,大大缓解了界面残余应力,所得钨/钢连接接头强度比现有采用单一中间层所制备的钨/钢接头提升了45%以上[14].钨/钢扩散连接过程中,"钨/硬质层/软质层/钢"的"三明治"结构在外加力学载荷作用下,当所采用的工艺参数不同时,接头强度发生明显的波动,其接头断裂失效特征也呈现出...洞,杂质也是微裂纹缺陷的来源.因此,W/Ti界面区域孔洞,微裂纹等缺陷的存在将成为钨/钢接头断裂的裂纹源,而且该区域是整个接头残余应力最集中的地方,导致该区域的裂纹源应力集中最严重,极易引发界面开裂失效. 图11 在(900 ℃, 1.5 h)下钨/Ti/Cu/钢连接接头W/Ti界面SEM像 Fig. 11 SEM image of W/Ti interface of joint......
; (6) 在德国布鲁克生产的F07002型X 射线衍射光谱仪上对C/C-SiC复合材料进行物相分析,辐射源为Cu靶,Kα1单色光辐射,扫描速度为8 (°)/min,工作电压是32 kV,电流为50 mA,扫描角度为10°~80°.在美国FEI公司生产的Nova NanoSEM230场发射扫描电子显微镜观察C/C多孔体和C/C..., LLRGBUSI O J. Kinetics of silicon-metal alloy infiltration into porous carbon[J]. Composites Part A: Applied Science and Manufacturing, 2000, 31(6): 617-625. [23] 管国阳, 矫桂琼, 张增光．2D-C/SiC复合材料的宏观拉压特性和失效模式......
steel core reinforced by shape memory alloy (SMA) [16, 17] constructed BRB in form of self-centering. Although SMA can improve the system’s behavior, due to the high price of SMA......
膜,且细颗粒陶瓷的抗烧蚀性能优于大颗粒陶瓷的烧蚀性能.GAO等[17]研究了添加ZrB2以及ZrB2-SiC后的氧化机制,认为添加ZrB2-SiC后的抗氧化能力优于只添加ZrB2的性能.ZHAO等[45]研究了ZrC-30%SiC(体积分数)复合材料从低温到超高温的抗氧化性能.黄向东等[46]研究了不同炭纤维含量对Cf/TiC/Cu复合材料性能的影响,认为在Ti含量不变的情况下,炭纤维质量分数增加...测试的各类陶瓷基体改性C/C复合材料的烧蚀性能[14-15, 33-34, 52, 81-84].由表3可知,国防科技大学采用RMI法制备的炭纤维增强陶瓷基复合材料的烧蚀性能优于采用PIP法制备的材料的烧蚀性能.ZHU等[14]采用Zr-Cu合金为原料,通过RMI法在1200 ℃的相对低温下制备的Cf/ZrC复合材料烧蚀60 s后,质量烧蚀率和线烧蚀率分别为0.0026 g/s和0.0003 mm......
in the mechanical engineering is acting as anti-friction and wear-resistant coating on the WC-Co cutting tool adopted for machining non-ferrous materials like aluminum alloy [21], graphite [22], hard metals [23......
. LI et al [118] examined the energy absorption behavior of shrink circular tube. As shown in Figures 15 and 16, the 6061-T6 aluminum alloy circular tubes were experimentally shrunken in radial......
-called top dross when zinc-aluminum alloy is used [6]. The zinc ash is skimmed continuously by workers before the galvanized objects are removed from the bath to avoid adhering the powder to the fresh... diffractometer (Rigaku MiniFlex, Cu Kα radiation). Two analytical methods were used for determination of metallic zinc concentration in the ash. Volumetric measurements were executed by agitation (a magnetic......
Press, 2012. [7] 胡 松, 左孝青, 谢香云, 等. 特殊孔结构ZA27合金泡沫的吸声性能[J]. 中国有色金属学报, 2014, 24(11): 2798-2804. HU Song, ZUO Xiao-qing, XIE Xiang-yun, et al. Sound absorption properties of ZA27 alloy foams with particular... properties of biomedical porous Nb-Ti alloy[J]. The Chinese Journal of Nonferrous Metals, 2014, 24(3): 752-757. [15] 李大磊, 贺占蜀, 汤 勇. 交错互通微通道多孔网格板的力学性能研究[J]. 中国机械工程, 2013, 24(14): 1951-1956. LI Da-lei, HE Zhan......
