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- Keywords electroslag melting and casting;WC particles;WC/steel composites;interface reaction layer;wear; 电冶熔铸;WC颗粒;WC钢复合材料;界面反应层;摩擦磨损;
- interface reaction layer 界面反应层
- The active element Ti can react with Al_2O_3 ceramics and form reaction layer which can join ceramics and metal. 活性元素Ti能够与陶瓷发生反应,形成反应层实现陶瓷和金属的连接,初步探索陶瓷与金属活性连接的机理为:活性元素Ti在钎焊温度下与Ag_(72)Cu_(28)钎料形成液态活性合金,与界面处陶瓷发生化学反应,实现陶瓷和金属的连接。
- It is found that at room temperature, the product of Al-GaAs(100) interface reaction is AlAs. 结果判定了室温下Al-GaAs(100)界面生成的为AlAs。
- Objective: To study the composition, microstructure and microhardness change of the surface reaction layer of titanium cast with three investments. 摘要目的:检测不同体系包埋料铸出的钛铸件表面反应层组成、显微结构及硬度变化。
- The paper relates to the study of interface reaction and reaction products between WCp and Fe?Ni steel matrix. The effect of WCp size on interface morphology was investigated. 研究了离心铸造条件下,WCp与Fe-Ni钢基体之间的界面反应及反应产物,考察了WCp尺寸对界面形态的影响。
- D. X. Li , D. H. Ping, X. G. Ning and H. Q. Ye: Fine structure of both interface and products of interface reaction, Acta Metallurgica Sinica, 28 (1992), A283-300. 李斗星,平德海,宁小光,叶恒强:界面精细结构与界面反应产物结构,金属学报,28(1992),A283-300。
- The formation of a reaction layer between refractory material and liguid steel enhances deposition,in particular if the refractory contains reducible components,e.g. 耐火材料和钢水间反应层的形成,尤其是当耐火材料中含二氧化硅可还原组分,则加速沉积。
- K7[CrCa(OH2)W11O39] was synthesized by a direct method and thermal diffusing permeation of Gd to the sample was studied with the solid-gas interface reaction. 经我们的研究证明[9-14],采用稀土热扩渗的方法,不仅提高了样品的稳定性,而且其导电能力显著提高,扩大了应用范围。
- Abstract: The interface microstructures of soldered joints under different soldering techniques were observed and analyzed.The interface reaction during soldering was studied. 摘 要: 观察了不同焊接工艺条件下钎焊接头界面的微观结构,并对钎焊过程中的界面反应进行分析。
- Scanning electron microscope and energy dispersive spectrum (EDS) was used to measure the thickness of the reaction layer and to determine the Zr,Fe and Cr concentration penetrate profile of reaction layer, respectively. 用扫描电镜观测反应层宽度,用能谱仪(EDS)测定了反应层Zr、Fe和Cr沿扩散方向的浓度分布,研究了反应层的生长动力学。
- If we can pie-immobilize sonic osterblast-favouite bioactive factors on theimplant surface, then we can make the interface reaction under control, and, thebioactivity of the materials will be improved to a new level. 将促进成骨细胞附着和功能表达的活性因子预先固定在材料表面,对表面生物反应进行有效控制,这样就可以对种植体-骨组织结合界面进行特异性调控,提高材料的生物活性。
- The results show that the SiCp/Al composites with high compactness can be prepared by re-hot pressing due to effectively controlling the severe harmful interface reaction in rapid heating. 结果表明,二次热压变形法能有效抑制剧烈的界面反应,得到高致密的SiCp/Al复合材料。
- The microstructure and thermal physical properties of the surface reactional layer determine the range of strength improvement. 材料表面反应物层的微观形貌及热物理性能决定了材料抗弯强度的提高幅度。
- Most of the interfaces between ZrO2 and Ni components in the FGM are directly connected and no interface reaction has been detected. 结果表明,组元Ni和ZrO_2,以直接结合为主,无明显界面反应。
- Pairs of electron and hole are produced when nano-sized semiconductor is irradiated by UV, which catalyzes interface reactions including polymerization. 激发纳米半导体产生电子和空穴,催化表面化学反应。
- It is shown that the interfacial reaction in SCS 6 SiC/TiAl is not as severe as it is in SCS 6 SiC/Ti3Al. 研究表明,由于TiAl中原子结合力较强,因而SCS-6SiC/TiAl复合材料的界面反应较轻。
- diffusion-dissolution reaction layer 扩散溶解反应层
- The effect of metalceramic shell interface reactions on surfaceroughness and the defects of burn on sand in investment casting are discussed in this paper. 讨论金属与型壳界面作用对精铸件表面粗糙度和粘砂缺陷的影响。
- WC are dispersing well in liquid steel due to its interfacial reaction and wettable with li... 刚玉与钢液不润湿,分散不好,且引起颗粒脱落。