晶粒形狀 的英文怎麼說
中文拼音 [jīnglìxíngzhuàng]
晶粒形狀
英文
grain form-
In one, equiaxed dendrites form and subsequently ripen into more - or - less spheroidal shape, suitable for forming
一個是先形成由等軸晶粒構成的晶枝體,再熟化形成類似的球狀體。4. after continuously heated and isothermally soaked, the equiaxed grain, as the result of the recrystallization, was the necessary texture condition of the semi - solid grain ' s globalization processing
4 、連續升溫和等溫保溫過程中再結晶形成等軸晶,為半固態晶粒球狀化提供了必西安理工大學碩士學位論文要的組織條件The globalization course was that the preformed texture recrystallized and became the granular equiaxed grain, when the temperature rose and the holding time prolonged, the granular grain melted at some area and at the liquid - solid interface the grain globalized at the role of the curvature overheated
過程機制為:擠壓形變組織在加熱過程中首先發生再結晶長大變為顆粒狀等軸晶;隨溫度升高和保溫時間延長,等軸晶發生局部熔化,液固界面的曲率過熱使晶粒外形向球狀轉變。Using the 1ap 3 - d hailstorm numerical model, we analyze influence of variation on rainfall amount, hail fallout amount, dynamical process of cloud, microphysical process, mechanism of hail suppression with seeding, and seeding outcome. besides, we use those study outcomes and bring forward some advice about using and improving model. we simulate a hailstorm occurred in nanjing county and analyze influence of raindrop, ice crystal, graupel size distribution on outcome of model
本文利用中國科學院大氣物理研究所的三維冰雹雲催化數值模式,通過對冰雹雲的模擬和對譜參數的數值試驗結果,分析了冰雹雲中粒子譜形的變化,對雲和降水過程的影響,其中包括雨滴譜、冰晶譜、霰譜的形狀參數對自然雲的發展過程、降雨降雹、雲中微物理過程、霰以及冰雹的形成機制的影響。Suitable polycrystalline znsxse1 - x film with zinc sulfide cubic structure and ( 111 ) preferred orientation that provided a good matching with the requirements of lclv were deposited on ito coated glass by mbe method. room temperature photo - responsivity measurements performed on these thin films show that
相比于用zns和se為生長源制備的znsxsel x薄膜,採用zns和znse化合物為源材料的實驗方法制備出的薄膜性能更優良,其晶粒尺寸普遍增大,柱狀晶形更完整。The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed
研究表明,採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著;超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細晶ly12的熱膨脹系數在550左右發生明顯的變化。Scale effect and the geometric shapes of grains
考慮晶粒幾何形狀的尺度效應The microstructure of lamellae pearlite has evolved ultrafine cementite particles throughout the ferrite matrix uniformly after five passes. the ferrite matrix is homogeneous grains, average grain size is - 0. 3 m. 2
變形五道次后,片層狀的珠光體組織演變成了超細的滲碳體顆粒均勻分佈於鐵素體基體的組織,鐵素體基體為均勻的等軸晶,平均晶粒大小為0 . 3 m 。Diamond cbn products - diamond or cbn grinding wheels and saws - dimensional characteristics and code for the forms
金剛石立方晶體氮化硼產品.金剛石或立方晶粒氮化硼砂輪和鋸.形狀的尺寸特性和代碼It was also the egyptians who pulverized it into powder and mixed it into a paste to apply to the eyelids, one of the first forms of makeup
青金石屬架狀結構硅酸鹽中的方鈉石族礦物,晶體形態呈菱形十二面體,集合體呈緻密塊狀、粒狀結構。Both of them are added to the reactor by way in turn at lower temperature to control the over - saturation of k2feo4, adoption of the lower reaction temperature as well as suitable reaction time, removing alkaline be done before disposing water and impurity in the purification procedure of k2feo4 cake
,其形貌呈長而薄的板條狀;該晶體的某些晶面與水氯法所得kj 。樣品相比出現了生長發育程度上的差異:本方法所得樣品的熱穩定性較高,隨著晶粒由小到大,固態凡eo 。的熱分解溫度為536 557k ,Determined by dsc. whereafter, the surface micro - morphology of both sides of tini sma thin film deposited on glass was investigated by atomic force microscope ( afm ), and the difference of morphology between the two sides is observed. it has been shown that, in the growing surface of sputtered tini film, the trend of grain to accumulating along the normal direction like a column is clearly observed, and the grain is very loose which resulted in more microcavities, but in the surface facing to glass substrate, grain is so compact that there are hardly microcavities
通過濺射法,在玻璃襯底上淀積了tini薄膜,並在600進行了真空退火, dsc法測得其馬氏體逆相變峰值溫度為75 ,利用原子力顯微鏡,對玻璃基tini形狀記憶合金薄膜的襯底面與生長面進行了表面微觀形貌分析,發現:生長面晶粒呈現出沿薄膜法線方向柱狀堆積的趨勢,晶粒緻密性差,微孔洞多;而襯底面晶粒緻密,幾乎沒有微孔洞存在。Among all the samples, one sample shows outstanding magnetic properties as the shape anisotropy of the sample plays an important role on the magnetic properties
其中一摻鈷和鈰的鐵氧體晶體,因粒子形狀表現出各向異性,該樣品具有很好的磁性能。Xrd measurements showed that tio2 in the composites was anatase nano - crystallite with 5 - 10 nm size. sem images showed that some of the tio2 nano - crystallites coated on the surface of the mmt and some of them plugged into the gap between flakes of mmt. combining xrd result with sem images, it was clearly that the mmt and tio2 nanocrystallites formed a netlike nanocomposite structure
用改性的溶膠凝膠法制備了一種mmt tio _ 2復合電流變顆粒, xrd , sem分析證實tio _ 2是以納米晶的形式沉積于mmt的片層結構之間及顆粒表面,形成了一種網狀包覆的納米復合結構。Worthy products where a delicate filtering process and a careful handling of the crystals are required. products with fine grain size where the presence of the heel cake residual layer remaining on the cloth after scraping on
因密閉操作和無機械卸料機構刮削擠壓濾餅的獨特卸料方式,使該機在需要保護固相結晶顆粒的形狀和純度以及固相物料具有觸變性的固液分離場合具有極強的應用價值。The results showed that the in - situ formed tibi particles which had a size of about 50nm, exhibited a homogenous dispersion in the copper matrix. moreover, the interface between the nanoscale particles and the copper matrix was clean, and there was no certain location relationship. due to their reinforcement, the tensile strength and hardness of the in - situ cu - tib _ 2 nanocomposite significantly improved
通過光學顯微鏡、 tem 、 xrd等對cu - tib2原位復合材料進行了金相組織、微結構分析,原位復合材料的鑄態金相組織中彌散分佈著團簇狀的tib2顆粒;形變態金相組織中tib2顆粒呈纖維狀排列; tem觀察表明:在基體內存在著尺寸約為50nm 、彌散分佈的tib2顆粒,且tib2顆粒與基體之間界面清晰,但由於tib2結構與銅晶體結構的差別較大, tib2顆粒與基體之間無固定的位向關系;納米tib對銅基體有良好的增強作用。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) 。By compounding caco3 with pp, the effect of caco3 content, diameter and shape on the crystallization, dispersion morphology and properties of pp / caco3 composites was investigated. the results showed that addition of caco3 into pp decreased the apparent crystal size in perpendicular direction to the ( 110 ), ( 040 ) and ( 130 ) crystallographic planes of ppa crystal, and with similar uniform dispersion of caco3, the dominant factor influencing toughness is the diameter of caco3 particles, but not the decrease of pp crystal size. the toughening effectiveness of nano caco3 is obviously better than that of micron caco3
將caco _ 3與pp進行填充復合,研究了caco _ 3含量、粒徑及形狀對體系的結晶,分散形態及性能的影響,發現碳酸鈣的加入使聚丙烯晶型垂直於( 110 ) 、 ( 040 )和( 130 )晶面的表觀晶體尺寸減小,揭示了在分散均勻的情況下,影響材料韌性的主導因素不是晶粒尺寸的減小,而是碳酸鈣的粒徑,納米張玲:彈性體及無機剛性粒子增韌增強聚丙烯復合材料的研究碳酸鈣的增韌效果明顯優于微米碳酸鈣。A fluorine aluminium silicate in chemical terms, the topaz is considerably harder and heavier than quartz, and it has a higher refractive index, which endows it with more fire when the colour is good
帶些許青色調的檸檬色。黃水晶通常比紫水晶來得便宜多,並且其尺寸和形狀范圍是很廣泛的,包括大顆粒尺寸。In the process of making 95 alumina ceramics, selected five kinds of alumina powder and studied the influence of different alumina powder on the sintering properties and mechanic properties of 95 alumina ceramics, moreover, selected the most agreeable alumina powder according to the apparatus for granularity analysis and scanning electron microscope ( sem ). the influence of different sintering temperature on the sintering mechanic properties, the microstructure of 95 alumina ceramics were investigated by adding y2o3 and la2o3 as two kinds of rare earth additives in alumina ceramics. the results indicated that the additive of la2o3 could improve the properties of 95 alumina ceramics more effectively and could get fine grain and tabular alumina that can enhance the strength of the material
選用了五種al2o3粉料,研究了其對95al2o3瓷燒結性能和力學性能的影響,並結合粒度分析儀sem對al2o3粉料進行優選;通過添加y2o3 、 la2o3兩種稀土添加劑,研究了不同燒成溫度對95al2o3瓷的燒結性能、力學性能及顯微結構等的影響,結果表明:添加la2o3可以有效提高95氧化鋁瓷燒結性能和力學性能,形成細晶和板狀氧化鋁瓷的顯微結構;通過對比不同氧化鋁粉料制備氧化鋁瓷燒成溫度曲線與燒結性能的關系,確定最佳的燒成溫度范圍為1570 ~ 1600 。分享友人