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the bonding of interface
相关语句
  界面结合状况
     The bonding of interface between Al2O3 and CoCrAlY has been improved obviously. The hardness of Al2O3 coatings cladded by laser is about 2 4792 691 HV0.2 and the wear resistance is 23 times that of plasma sprayed coatings. The wear mechanism is fatigue wear and abrasive wear.
     Al2O3与CoCrAlY间的界面结合状况得到了明显的改善.熔覆后的Al2O3涂层硬度达2479~2691HV0.2,耐磨性能为原始涂层2~3倍,其磨损机制是疲劳磨损和磨料磨损
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  相似匹配句对
     . H-O hydrogen bonding.
     X -射线单晶结构分析表明 ,该化合物的羧基O和配位水分子O通过O…H—O氢键在链方向上和链之间形成网状结构 .
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     3) bonding.
     3)等电位连接。
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     On The Equipotential Bonding of Building
     浅谈建筑物的等电位联结
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     Bonding behavior of oxygen
     氧的成键特征
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     Development of Foundry Bonding
     铸造用粘结剂的分类及发展方向
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The wear resistance, structure and composition distribution of Al2O3/CoCrAlY composite ceramic coatings on W18Cr4V steel were studied. The results show that structure of plasma sprayed coatings is laminars in shape, and the Al2O3 top coating consists of -Al2O3 and a small amount of -Al2O3. There is a mechanically combined interface between Al2O3 and CoCrAlY coatings, and also between CoCrAlY and substrate. The average hardness of plasma sprayed Al2O3 coatings is about 897 HV0.2. The structure of coatings...

The wear resistance, structure and composition distribution of Al2O3/CoCrAlY composite ceramic coatings on W18Cr4V steel were studied. The results show that structure of plasma sprayed coatings is laminars in shape, and the Al2O3 top coating consists of -Al2O3 and a small amount of -Al2O3. There is a mechanically combined interface between Al2O3 and CoCrAlY coatings, and also between CoCrAlY and substrate. The average hardness of plasma sprayed Al2O3 coatings is about 897 HV0.2. The structure of coatings cladded by laser is columnar, which consists of -Al2O3. There is an interface phase of metallurgical combination and a little composition gradient was observed between CoCrAlY and substrate. The bonding of interface between Al2O3 and CoCrAlY has been improved obviously. The hardness of Al2O3 coatings cladded by laser is about 2 4792 691 HV0.2 and the wear resistance is 23 times that of plasma sprayed coatings. The wear mechanism is fatigue wear and abrasive wear.

研究了Al2O3-CoCrAlY复合陶瓷涂层的组织结构、成分分布及其耐磨性能.结果表明:等离子喷涂层的组织呈层片状,面层由α-Al2O3和少量的γ-Al2O3组成,层间为机械结合界面,涂层平均硬度为897HV0.2.经激光重熔后的组织为单一的α-Al2O3柱状晶,在CoCrAlY与基体间有界面相形成,其界面为冶金结合,层间存在着平缓的成分过渡;Al2O3与CoCrAlY间的界面结合状况得到了明显的改善.熔覆后的Al2O3涂层硬度达2479~2691HV0.2,耐磨性能为原始涂层2~3倍,其磨损机制是疲劳磨损和磨料磨损

Although the interface has the features of melt, and pressure welding in the mean time ,the seam and "hole" brought by the melt weaken the bonding strength of interface greatly ,and the effect of melt on interface must be eliminated in explosive welding, so the conventional molten mechanism of explosive welding is negated. The diffusion welding is a kind of form of pressure welding ,and the diffusion is not the reason of the bonding of interface but the result of interface high pressure. So the diffusion...

Although the interface has the features of melt, and pressure welding in the mean time ,the seam and "hole" brought by the melt weaken the bonding strength of interface greatly ,and the effect of melt on interface must be eliminated in explosive welding, so the conventional molten mechanism of explosive welding is negated. The diffusion welding is a kind of form of pressure welding ,and the diffusion is not the reason of the bonding of interface but the result of interface high pressure. So the diffusion welding cannot also explain the bonding mechanism of explosive welding. The experiment and theory make it clearly that explosive welding is a special pressure one. In order to get good interface of no melt, explosive charge must be selected on the low limit of welding windows.

爆炸焊接界面虽然同时具有熔化、扩散和压力焊的特征 ,但熔化所产生的缝隙和”空洞物”大大削弱了界面的结合强度 ,在爆炸焊接过程中 ,要尽量消除熔化的影响 ,因此本文否定了爆炸焊接传统的熔焊机理 ;而扩散焊是压力焊的一种形式 ,同时扩散也只是界面由于高压产生结合的结果 ,而不是界面结合的原因 ,所以也不宜用扩散焊接解释爆炸焊接界面的成因。试验和理论研究表明 ,爆炸焊接是一种特殊的压力焊。为了获得没有熔化的微小波状的良好界面 ,爆炸焊接装药参数应取焊接窗口的下限。

SiC/AI co-continuous composites were fabricated by the squeeze casting method, the surface of SiC foam was treated by an aqueous solution of NaOH and an aqueous solution of K2ZrF6, and the effects of treatment on the performance of SiC/AI co-continuous composites were investigated. The results show SiC foam got the optimum coarse when they had been treated by an aqueous solution of NaOH for 12 min. The treatment changed the appearance of struts of foam perform and improved the bonding of interface, the...

SiC/AI co-continuous composites were fabricated by the squeeze casting method, the surface of SiC foam was treated by an aqueous solution of NaOH and an aqueous solution of K2ZrF6, and the effects of treatment on the performance of SiC/AI co-continuous composites were investigated. The results show SiC foam got the optimum coarse when they had been treated by an aqueous solution of NaOH for 12 min. The treatment changed the appearance of struts of foam perform and improved the bonding of interface, the continuity of composites, so the mechanical properties of composites were increased. The composites that were treated by K2ZrF6 have the best bonding of interface and the highest strength that is 5 times of pure aluminum matrix's.

采用挤压铸造法制备丁SiC/Al双连续相复合材料,并对增强体SiC泡沫陶瓷骨架进行了表面改性处理,研究了网络骨架的表面粗化和表面涂覆K2ZrF6对骨架和双连续相SiC/Al复合材料性能的影响.结果表明:随着粗化时间的增加,SiC陶瓷骨架表面的粗化程度增大.粗化时间为12min对骨架表面粗化最佳,而且保持了骨架的致密结构.SiC陶瓷骨架表面粗化增加了骨架筋的表面积,加强了界面的机械结合;SiC陶瓷骨架表面涂覆K2ZrF6,提高了基体纯铝对SiC陶瓷骨架的润湿,改善了复合材料中增强体与基体间界面的结合,增强了材料的三维连续性,提高了复合材料的力学性能.骨架表面涂覆K2ZrF6的复合材料的界面结合得最好,复合材料的强度最高,为纯铝基体的5倍.

 
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