The interface reaction , interface construction and bond between super - hard abrasive ( diamond and cbn ) and metals are discussed 本文系統論述了金剛石、立方氮化硼超硬磨料與典型金屬界面的界面反應、界面結構及界面結合問題。
The conditions of making strong bond between the affine metals and the diamond are given by test results of the interface bond strength and interface reaction 討論了親和性金屬與超硬磨料界面反應形成化合物的條件及化合物的結構特征與界面結合強度的關系,從而給出了實現親和性金屬與金剛石強力結合的條件。
The results showed that the interfaces strengthen between sic particles and aluminum would be improved by the interface reaction between them . the fracture of this composite would occur mainly in al matrix 研究結果表明:真空燒結過程中出現了界面反應,改善了界面結合強度,斷裂破壞主要在al基體上進行。
The wettability between ni3al and tic was measured by high temperature microscope , and then the effect of mo addition on the wettability of ni3al / tic and the mechanism of interface reaction were mainly discussed 利用高溫顯微鏡測定了ni _ 3al與tic的潤濕性,并分析了mo對ni _ 3al / tic潤濕性的影響及其界面反應機理。
J . b . wang and g . w . yang , phase transformation between diamond and graphite in preparation of diamonds by pulsed - laser induced liquid - solid interface reaction , j . phys . : condensed matter 11 ( 37 ) , 7089 ( 1999 ) 王金斌,楊國偉,脈沖激光誘導液-固界面反應合成金剛石納米晶中的結構相變模型,高壓物理學報, 13 , 147 ( 1999 )
The research status quo of diffusion bonding of ceramics to metals is reviewed in this paper , and the emphases are placed on the interface reaction , stress analysis and bonding technology 本文綜述了陶瓷與金屬擴散連接的研究現狀,重點介紹了界面反應研究、殘余應力分析和連接工藝研究等內容,并在此基礎上指出了研究中所存在的問題。
To produce the " effect " by changing the structure of electric double layer and influence the surface concentration of reaction particle and activation energy of interface reaction , thus affecting the speed of electrode reaction ; c 通過改變雙電層結構產生“ _ 1效應” ,影響反應粒子的表面濃度及界面反應的活化能,從而影響電極反? ?西安理工大學碩士學位論文應速度; c
Sicp / al matrix composites , with 5 , 15 and 25 % volume fraction of sic particles , were prepared by vacuum hot - pressing sintering processing in this paper . based on mechanics properties , sem observation and energy dispersive x - ray analysis , the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering , as well as the reinforcement and fracture mechanisms of this composite were analyzed . the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3 . 3 10 - 3s - 1 ) to dynamic state strain rate ( 5 . 2 103 s - 1 ) 本研究以武裝直升飛機防護裝甲材料為研究對象,采用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料,結合其力學性能、掃描電鏡和界面微區能譜分析結果,分析了sic _ p al復合材料的真空燒結過程中的界面現象,以及材料增強和斷裂機理,并利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態(應變率為3 . 3 10 ~ ( - 3 ) s ~ ( - 1 ) 5 . 2 10 ~ 3s ~ ( - 1 ) )的壓縮破壞響應進行了研究,分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下,材料的變形和微觀損傷機理,以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。
A significant suppression of phase transitions and lattice changes during cycling is occurred for ti - doped materials , and a decrease of interface reaction activity between the cathode and electrolyte is also demonstrated for ti - doped cathodes . as a result , the capacity losses , which are originated from structural changes and interface reactions during cycling , decrease and thereby cycling life increases for ti - doped materials 摻欽后,電極材料的離子分布形式發生變化,引起材料結構中的化學鍵產生變化,電極材料充放電過程中的結構相變得到有效抑制,結構變化相應減小,電極材料在高電位下的界面反應活性也減弱,從而減小了由結構變化和界面反應引起的容量損失,改善了電極材料的充放電循環性能。