晶粒長大 的英文怎麼說
中文拼音 [jīnglìzhǎngdà]
晶粒長大
英文
coarsening-
Austenite grain growth behavior of steel 33mn2v designed for oil - well tubes
的奧氏體晶粒長大規律This paper has emulated the complex process of bioceramic " s degradation by using the computer simulation technique and studying the principle of material " s degradation, and combining the grain growing model with material degradation model
本文利用計算機模擬技術,在深入研究了生物陶瓷體內降解機理的基礎上,將晶粒長大模型和材料降解模型有機結合,用於模擬生物陶瓷的降解過程。The zn / o ratio, c - axis orented and stress were improved by annealing, and also redusing the defect of zno flim, increasing the size of grain. but too high annealing temperature was adverse to recrystallization of zno thin film
退火能改善zno薄膜的鋅氧比、 c軸的擇優取向和應力狀態,減少薄膜中的缺陷,使晶粒長大,但是過高的退火溫度不利於zno薄膜的重結晶,使zno薄膜的質量變差。The growing rate of crystalline show powerful relationship to the temperature
這是因為晶粒長大速率與溫度呈指數關系的緣故。The process parameters of preparing nanosized titanium dioxide powders were systematically studied by electrochemical synthesis experiments at room temperature. the rutile phase and anatase phase powders were obtained in the sizes of 9. 7nm and 9. 2nm respectively, and the complete crystal powders were formed after calcined at 400 for two hours. in the process of experiments it was observed that the low current density resulted in rutile phase powders, while the addition of little amount of ions of sulfate promoted the formation of anatase phase powders
在本實驗條件下,小的電流密度有利於金紅石相的生成,而少量硫酸根離子的引入對生成銳鈦礦相粉體有利,調整電流密度大小和引入硫酸根離子的量,可以得金紅石型和銳鈦礦型的混合混體;研究無定型粉體,銳鈦礦相粉體以及金紅石型粉體隨溫度的粒徑變化情況時發現,粉體在400以前晶粒長大相對緩慢, 400以後晶粒粗化現象嚴重。We apply the system to the ultra - fine grain steel welding, the simulated mean grain size in cghaz agreed well with the corresponding independent experimental data. in this paper, three factors influencing the grain growth, the steep temperature gradient in haz. the grain boundary liquid and the precipitates particle, were studied specially using mc technique
研究表明溫度梯度造成的「熱釘扎」現象和晶界液化現象都對靠近熔合線附近的晶粒長大有明顯的阻礙作用,對最終的晶粒大小分佈有重要的影響:而800mpa超細晶粒鑰中的tin粒子山于溶解溫度高,抑制奧氏體晶粒長大的效果十分顯著。A monte carlo simulation of grain growth based on visual basic language
的晶粒長大的蒙特卡羅模擬Monte carlo simulation of grain growth and study of the algorithms
晶粒長大的蒙特卡羅模擬及其演算法應用研究Effect of tic particle on grain growth of al alloy in the semi - solid state
顆粒對半固態鋁合金晶粒長大行為的影響Critical crystal growth
臨界晶粒長大Critical grain growth
臨界晶粒長大The effect of heating technique on the size of austenite crystal grain and the solid solution of ti nb
固溶及奧氏體晶粒長大的影響Effect of heating temperature on solid solution precipitation of second phase particles and grain growth
345鋼第二相粒子固溶析出及晶粒長大的影響The p - phase transformation was completed after 20 or 24 hours annealing at 800 ? for all hot - pressed samples
所有試樣在800退火20h或者24h后均完成了相轉變,其間沒有發生明顯的晶粒長大。A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces
在陽極極化實驗(包括掃描法和臺階法)中,致鈍電流雖晶粒尺寸減小而增大,而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕,微米晶銅表面的均勻腐蝕,和兩種銅表面破碎的鈍化膜。The results show the grain size becomes larger along with elevated temperature and the grain size in interconnects does not change evidently after annealed at 200 ? because of the effect of the trench structure
結果顯示熱處理后銅膜晶粒長大,但銅互連線薄膜由於溝槽結構對晶粒的長大有阻礙作用。利用xrd和ebsd測試方法對銅膜及銅互連線薄膜的織構進行評價。The analysis of microstructure of samples showed that the grain of tio2 were very small under 700, the distance of grain became small with temperature increasing, the rate and size of pore was decreasing. the relative density of sample at 900 was 97 % and the grain size of sintered body was about 200nm. when the temperature exceeded 1100, the grain size of body grew up several times ( > 2 m )
Tio _ 2燒結體sem顯微形貌分析表明:低溫( 700 )時坯體內顆粒無明顯長大,燒結體緻密度不高( 80 )晶粒間距隨溫度升高而變小,氣孔率也隨之降低,氣孔尺寸變小;當溫度超過900時,晶粒間連接緊密,燒結體內出現大量絮狀物質,緻密度大幅度提高,達97以上,小氣孔已聚集成大孔洞且分佈均勻,晶粒長大不明顯( 200nm左右) ;當溫度超過1100時,燒結體緻密度有所提高,但晶粒尺寸出現異常長大,長大了十幾倍(達2 m以上) 。The combined effect of v and re can delay the dynamic recrystallization, refine the grain and second phase particles, and promote the precipitation of v ( c, n ) considerably
釩和稀土復合微合金化有更強的推遲形變奧氏體動態再結晶,抑制奧氏體晶粒長大和細化晶粒的作用。The increase in average grain size of a polycrystalline material ; for most materials, an elevated - temperature heat treatment is necessary
多晶體材料中晶粒尺寸的增大,對大多數材料來說,晶粒長大隻在升高溫度加熱的時候發生。Some factors influencing the grain growth were studied in detail using mc technique. the mc simulation of grain growth can provide not only grain growth kinetics but also detailed information on temporal grain morphology evolution. furthermore, mc technique can easily simulate the " thermal pin " phenomenal caused by steep temperature gradient near the weld interface
採用mc模擬技術,不僅能夠模擬焊接haz奧氏體晶粒長大的動力學過程,而且能夠逼真地模擬奧氏體晶粒微觀形貌的變化,更重要的是它可以很好地模擬焊接haz存在的陡峭的溫度梯度對奧氏體晶粒長大的影響。分享友人