ultrafine grain 中文意思是什麼

ultrafine grain 解釋
超細顆粒
  • ultrafine : 超濾的
  • grain : n 1 穀物，糧食〈英國叫 corn〉; 谷類植物。2 穀粒，籽粒。3 （沙、金、鹽等的）粒，顆粒，晶粒。4 些微...
  1. The properties of low carbon steel can be greatly enhanced when its grain size becomes ultrafine. approaches to obtain ultrafine grain size for low carbon steel, such as microalloying, electromagnetic field treatment and thermo - mechanical treatment after rolling, are given in this paper. in addition, the mechanism and technologies of ultrafine granulation are also discussed

    低碳鋼的性能可通過晶粒超細化得到改善，討論了低碳鋼生產過程中利用微合金化、電磁場處理和軋后加工處理等方法進行的晶粒超細化，討論了晶粒超細化的作用機理和生產工藝。
  2. 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 。
  3. The main results are as the following : ( 1 ) the microstructure of lamellae pearlite has evolved ultrafine cementite particles throughout the ferrite matrix uniformly after four passes. the ferrite matrix is homogeneous grains, and average grain size is - 0. 3um

    主要結果如下： （ 1 ） ecap變形四道次后，片層狀的珠光體組織演變為了超細的滲碳體顆粒均勻分佈於亞微晶鐵素體基體的組織。
  4. Using continuous compacting progress dy2o3 / zro2 materials can be sintered at low temperature. 98. 8 % of theory density was obtained for ultrafine dy2o3 / zro2 ceramic power sintering at 1200, which is 400 lower than the sintering temperature of the common ceramic power. it studied the influence of sintering temperature on the crystalline grain of power by sem

    採用二次成型常壓燒結法對氧化鋯/氧化鏑的納米粉體進行燒結，在1200左右燒結得到燒結密度為理論密度的98 . 8的陶瓷體，其燒結溫度比常規陶瓷粉末的燒結溫度低四百度左右，通過掃描電鏡研究了燒結溫度對燒結體晶粒大小的影響。
  5. Fabrications and cutting tests of ultrafine grain diamond coated drills

    超細晶粒金剛石塗層鉆頭的制備與實驗
  6. The variation rules of grain size and specific surface area of silicon carbide in ultrafine grinding

    碳化硅超細粉碎粉體粒度與比表面積的變化規律
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