powder microstructure 中文意思是什麼

powder microstructure 解釋
粉末顯微構造
  • powder : n 1 粉，粉末。2 （搽臉的）香粉；牙粉；發粉。3 （一服）藥粉；粉劑；散。4 塵土，泥屑；雪糝。5 炸藥...
  • microstructure : n. 顯微結構，微觀結構〈如金屬或合金放在顯微鏡下所看到的結構〉。
  1. We also attainted mosi2 / sic composite by using melting mosi2 infiltrated sic body which shaped by sic powder. the result show that the diameters of sic particle and shaping methods have effect on the composite ' s microstructure and properties

    另外，嘗試了用mosi _ 2在2050下浸滲直接由sic粉體成型的坯體制備mosi _ 2 / sic復合材料。採用sic顆粒的級配有利於提高坯體密度，但是降低燒結體的緻密度。
  2. Effect of precursor powder on microstructure and critical current density of - 2223 tapes

    銀超導帶材的顯微結構及臨界電流密度的影響
  3. W - cu composites prepared from the precipitation w - cu powder have higher sintered density, better mechanical and physical property, more homogeneous and finer microstructure than those prepared from w - cu powder by the balling - reduction method. in chapter 5, a combination of homogeneous precipitation and ball - milling process, namely the mechano - thermochemical process was employed to prepare ultra - fine w - cu powder

    其中，球磨w一cu復合粉（ hp一m ）壓坯在1150下燒結30min后，可獲得相對密度大於99 %的幾乎全緻密的超細晶粒w一cu復合材料， w的顆粒度小於0 . 5林m 。
  4. The two constituents were compatibilized in - situ by mechanochemical reactions induced by pan - milling and the microstructure of the blend can be controlled conveniently by adjusting processing conditions. polyamide 6 / ground limestone powder ( pa6 / caco3 ) and polyamide 6 / silicon dioxide ( pa6 / sio2 ) composites were also prepared through this method. those pa6 blends and composites exhibit improved microstructure and superior mechanical properties to the systems mixed by conventional mixing methods

    研究了磨盤碾磨對尼龍6的粉碎機理，制備了就地增容、微相結構可調的聚丙烯/尼龍6 （ pp / pa6 ）及尼龍6 /碳酸鈣（ pa6 / caco _ 3 ） 、尼龍6 /納米級二氧化硅（ pa6 / nano - sio _ 2 ）共混復合材料，各體系混合效果、微相結構及力學性能均明顯優于採用傳統混合設備制備的試樣。
  5. Microstructure and properties of cermet coating on surface of h13 steel by vacuum powder sintering

    13鋼表面粉末燒結金屬陶瓷覆層的組織及性能
  6. It is well known that wo3 is a conductance - type semiconductor gas sensing material, but the research on fish freshness detector with wo3 - based gas sensor to trimethylamine is still at a beginning stage. in this project, the wo3 - based gas sensors to trimethylamine are made, and their gas sensing performance are researched, especially at low temperature, the results are as follows : 1. the nano - sized wo3 powder is prepared by sol - gel method of sodium tungstate and hydrochloric acid, and its microstructure is analyzed by using xrd, sem and tem, for material ’ s microstructure is closely related to gas sensing performance

    本課題制備了wo3材料，並以它為基材，製作了三甲胺氣敏傳感器，研究了其對三甲胺的氣敏性能，尤其是低工作溫度下的氣敏性能，得到結果如下: 1 、本課題以鎢酸鈉和濃鹽酸為反應物，用溶膠凝膠法制備了納米wo3材料，並採用x射線衍射分析儀（ xrd ） ，掃描電鏡（ sem ） ，透射電鏡（ tem ）對該材料進行結構分析和形貌觀察，研究發現材料的微觀結構與氣敏性能緊密相關。
  7. In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied

    研究路線為：選用納米級al _ 2o _ 3陶瓷顆粒作為增強相，在超聲波的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷顆粒表面的金屬銅包覆，採用熱壓燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷顆粒增強銅基復合材料，研究分析復合材料的成分、組織結構、硬度以及緻密度，對試樣進行了干滑動摩擦磨損實驗。
  8. Microstructure research for the coke made with coke powder and pitch addition

    添加焦粉瀝青煉焦的焦炭顯微結構研究
  9. In order to improve diamond fine powder sinter ' s mechanical property, using the present laser technique, high power transverse co2 laser is used to sinter diamond fine powder compact to study the integrating capability in the sinter between diamond fine powder and metallic powder, microstructure and the forming mechanism of microstructure in the different laser technical parameters

    摘要為了改進金剛石微粉燒結體的機械性能，利用現有的激光技術，採用高功率橫流co2激光燒結金剛石微粉壓坯，研究在不同的激光工藝參數下，燒結體中的金剛石微粉與金屬粉末粘結的結合性能、微觀結構以及形成機理。
  10. Various perovskite compositions have been prepared through this method and their structure, electronic and magnetic properties have been studied. in this paper, la2o3, sro2i mn, naclo4, kmno4 were used as raw materials and were synthesized into la1 - xsrxmn03 powder by employing self - propagating high - temperature synthesis ( shs ) technology and filtration processing. in addition, the mechanism of chemical reaction and microstructure formation process of la2o3 - sro2 - mn - naclo4 - kmno4 system was studied

    La _ （ 1 - x ） sr _ xmno _ 3的shs合成工藝研究發現，在shs合成過程中液相量的多少和反應溫度有很大的關系，通過在反應體系內加入第二相氧化劑kmno _ 4可以控制反應進程， kmno _ 4在反應中分解得到的高活性mno _ 2利於產物的生成，一定程度上避免了氧缺位和中間產物的形成。
  11. Influence of aluminum powder and silicon powder on properties and microstructure of alumina graphite materials heat - treated in n2 atmosphere

    熱處理氣氛對添加鋁粉的鋁碳材料性能和結構的影響
  12. Fine ni3al powders with an average grain size of 6. 1 m were firstly prepared by shs method and mechanical grinding for 36ks with the ratio of ball to powder at 3. 5. the effects of grinding condition and heat treatment technique on the morphology, microstructure and composition as well as crystal structure of the prepared ni3al powders were discussed

    首先採用機械粉碎法在36ks的粉碎時間和球料比為3 . 5的工藝條件下獲得了平均粒度為6 . 1 m左右的ni _ 3al微粉，重點討論了粉碎條件及熱處理工藝對ni _ 3al微粉的形貌、微觀結構、物相組成和晶體結構等的影響。
  13. Using scanning electron microscopy, x - ray powder diffractometer, isis energy - dispersive spectroscopy and leica guantitative optical microscopy, the microstructure, composition profiles of cdmnznte ingots were analyzed, a and 3 phases are formed at the tip

    採用掃描電鏡、 x射線粉末衍射儀、 isis能譜儀和leica定量金相分析儀研究了cdmninte晶錠中相的結構，形貌和組分分佈。
  14. Regard the ni - based high - temperature alloy as substrate and the mixed powder by oneself as layer cladding, the microstructure of laser cladding layers under different craft parameters was studied by cw co2 laser

    摘要為了研究工藝參數時激光熔覆層微觀形貌的影響，以co2連續激光器為熱源，在鎳基高溫合金基體表面熔覆自配粉末，對不同工藝參數下熔覆層的微觀形貌進行了分析。
  15. Moreover the effects of the temperature of molten copper and the content of al powder in the mixed - powder on microstructure and properties ( hardness, conductivity ) of the material were studied. the results indicated that : 1

    本文採用反應鑄造法制備了cu - al _ 2o _ 3復合材料，並分析討論了熔液溫度和混合粉末中al含量對制備cu - al _ 2o _ 3復合材料的性能（硬度、電導率）和組織的影響。
  16. Through studying the eeos principle, we consider the powder is nanometer material. so, we collect the powder after the experiment. the microstructure and thickness of the powder are scanned through the scanning electron microscope

    利用裝置的電爆炸絲斷路開關（ eeos ）產生納米粉末和用於鍍膜研究:通過深入研究電爆炸絲斷路開關工作機制和材料分析，認為電爆炸絲產生的顆粒是納米粉末。
  17. In this paper, micrometer and nanometer sic powder were respectively sintered as employed in powder metallurgy, nanometer porous sic was successfully prepared with its microstructure analyzed and its photoluminescence tested

    本文分別以微米和納米碳化硅粉末為原料，採用粉末冶金的燒結工藝，成功的制備了納米多孔碳化硅，並分析了多孔碳化硅的結構，同時測試了其光致發光譜。
  18. 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 。
  19. In this paper, the vsi is produced by powder metallurgy. various alloy elements added, porosity and microstructure of materials is considered to affact the vsi ' s property ; matching between the working and none - working layer of vsi is discussed ; and the cost reduction of two - layer vsi is analysed as well

    研究了各種合金元素的添加、孔隙率和顯微組織對閥座圈工作性能的影響；討論了雙層閥座圈工作層與非工作層之間的匹配；分析了雙層閥座圈在成本上的優勢。
  20. Crystal structure and ceramoc microstructure of powder samples are examined by xrd and tem. the mean grain size of the materials ranges from 10nm to 50nm by controlling the reaction concentration and annealing temperature

    採用化學沉澱法成功地制備了納米晶zno粉體，根據不同反應物濃度和熱處理溫度的選取，晶粒尺寸控制在10 ? 50nm范圍內。
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