均勻固熔體 的英文怎麼說
中文拼音 [jūnyúngùróngtǐ]
均勻固熔體
英文
homogeneous solid solution-
The particle size can be controlled by adjusting processing conditions such as milling time, rotating speed of milling pan, static pressure between milling pans and milling temperature, etc. average article size of the powder reduced to micrometer scale in relatively short time and a fraction of which even reached nano scale
利用聚丙烯和尼龍6之間約60oc的熔點差，在200oc左右加ippch6復合粉體，可以使pa6保持固體超細粒子狀態， pp則熔融成為連續相，得到了pa6超細粒子均勻分散的ppch6共混體系。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Being fine, homogeneous and free of melting, the powder prepared by mechanical alloying has applied to develop scattering strengthen - material, magnetic material, high - temperature material, superconductivity material, amorphous, and non - equilibrium material, compound material etc. as a high - tech technology to prepare alloying powder, ma has become a more and more important method for preparing new materials
機械合金化法制備的粉末晶粒細小、成分均勻，且能避免熔化過程，已用於開發研製彌散強化材料、磁性材料、高溫材料、超導材料、非晶、準晶、納米晶等各種狀態的非平衡材料、復合材料、輕金屬高比強材料、儲氫材料、過飽和固溶體等。作為制備合金粉末的非平衡高新技術，越來越成為一種制備新材料的重要方法。The tight plastic - lining technology is to adhere plastic powder inside steel pipe smoothly with method of metallurgical powder. comparing to common plastic - lining, tight plastic - lining with good intensity, has avoided the trouble of dropping and cracking. specially, the tight nylon - lining pipe can be used carrying particulate medium matter and solidpowder with excellent wearability
緊襯塑工藝採用粉末冶金法將塑料粉末均勻地附著在鋼管內表面，融熔流平、緊密地和鋼管本體結合在一起，與普通襯塑相比，塑料與鋼管的結合強度好，避免了普通襯塑管與鋼材基體結合力差容易脫落、開裂的毛病，特別是緊襯尼龍管道，具有優異的耐磨性，可輸送各類含固體顆粒介質、及粉體。The amount of nb3si / nb5si3 increases, their morphology tends to be more regular, their distribution becomes more homogeneously with the increasing of withdrawing rate. the microstructure is better oriented along the longitudinal axis of the samples when the withdrawing rate is between 0. 6 and 6. 0mm / min. at the same withdrawing rate, the microstructure changes from the beginning part to the ending part of the samples
鈮?硅基rmics材料原始鑄態組織由初生nb基固溶體和在其間分佈的nb基固溶體+硅化鈮共晶團組成；隨著抽拉速率的增大，定向凝固共晶組織中硅化鈮強化相細化、數量增多、分佈趨于規則和均勻，定向效果顯著；在相同抽拉速率條件下，區熔試樣的組織從起始段到終止段發生了改變。Using the special stirring equipment and the optimized stirring processing, some semi - solid al matrix in - situ composites slurry with small size of al3fe reinforcement phase and even distribution of reinforcement particles in mixing melts are achieved
在專用攪拌設備與優化設計后的攪拌方案共同作用下，能獲得具有細小的強化相，且強化相粒子在熔體中分佈均勻的半固態鋁基原位復合材料漿料。The thermodynamic conditions of decomposition of the foaming agent tih2, homogeneous and heterogeneous nucleation in high - temperature solid and liquid, growth and movement were achieved to demonstrate the trend of pore evolvement in this paper. moreover, according to the characteristics of in - situ gas foaming, the equations of the height change of foaming samples with heating time were primarily established to study the behavior of foams and to guild the experiment processes
另外，論文通過大量的熱力學分析，得出了發泡過程中發泡劑分解以及氣孔在固液態時的均勻形核和非均勻形核、氣孔的生長和運動等熱力學條件，揭示了氣孔演化的趨勢；論文還根據內生氣源發泡的特點，初步建立了高溫熔體中氣體發泡高度隨時間變化的方程，為進一步深入的研究發泡機理奠定了一定的基礎。分享友人