晶粒硬化 的英文怎麼說

中文拼音 [jīngyìnghuà]
晶粒硬化 英文
grain size hardening
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : Ⅰ名 (小圓珠形或小碎塊形物) small particles; grain; granule; pellet Ⅱ量詞(用於粒狀物)
  • : 形容詞1 (堅硬) hard; stiff; tough 2 (剛強; 堅定; 強硬) strong; firm; tough; obstinate 3 (勉...
  • 硬化 : 1 (變硬) harden; stiffen; stiffening; indurascent; ossification; cure; curing 2 [醫學] (組織變...
  1. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金50crv鋼強韌機理,本文通過對不同淬火溫度,回火溫度,回火時間下的力學性能指標的對比及顯微分析,認為微合金元素的細,馬氏體的回火分解,殘余奧氏體的轉變,第二相的沉澱析出共同決定了微合金鋼的強韌情況,特別是由於微合金元素的存在,其細及其碳氮物的沉澱析出,導致鋼的良好的強韌性,並且如果工藝滿足第二相的沉澱析出強大於回火馬氏體分解引起的軟效應,會在度曲線中產生明顯的二次現象。
  2. The paper introduces that under special technology condition, nona material infiltrates through matrixes of machinery parts to refine crystal grains, increase matrix tenacity, strength and hardness, reduce friction factors and high performance and long lifetime machinery parts are manufactured

    本文介紹在特定的工藝條件下,將納米材料滲入到機械零件的基體中,使基體材料,韌性增加,強度增加,度增加,磨擦因數降低,從而製造出了高性能長壽命的機械零件。
  3. It can be noticed that both r and t specimens show initial hardening and subsequent softening at the strain amplitude higher than 0. 8 % and cyclic softening from the beginning to fracture under strain amplitude less than 0. 8 % at room temperature, and the cyclic flow stress was always lower in r specimen than in t specimen at the same strain range

    且在相同的應變幅下, t向試樣比r向試樣具有更高的循環流變應力。此外,對r向及t向試樣,低應變幅下呈現出循環軟現象是因為旋轉導致循環軟;而在高應變幅下發生循環是由於孿作用的結果。
  4. 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材料,軸向壓力、扭轉速度和溫度是採用該方法制備超細材料的主控參數;試件的旋轉轉速和冷卻速度對變形區效果影響顯著;超細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ly12的熱膨脹系數在550左右發生明顯的變
  5. Results of experiment show that the reason of strength decreasing of gypsum added with retarders is that the retarders reduce the supersaturation of liquid phase, and makes the crystal grain largen, and pore is followed to worsen, which lead to the strength drop to a large degree

    實驗結果分析表明:在摻加緩凝劑后石膏體強度下降的原因在於緩凝劑降低了石膏的液相過飽和度,使結變大,使石膏的孔結構惡,最終導致了宏觀強度大幅度下降。
  6. The effect of reheating austenitizing temperature on grain coarsening, the dissolution of vanadium compound and hardness of 50mn2v steel

    鋼再加熱奧氏體溫度對物溶解及度的影響
  7. ( 3 ) solid solution with good solid solution ability were acquired by solid soluting treatment for 25 min at 540 c, 560 c and 580 c, respectively, after that water quenching was carried on. in the case of 580 c, the coarseness of the precipitation at grain boundaries did not happen, equi - part 120 did not emerge at the intersection of three grains, these suggest that over sintering did not happen

    6013合金實驗熱軋板材經固溶處理後於180時效4小時達到峰值度; ( 3 ) 540 、 560 、和580固溶處理25min 、水淬,得到了固溶充分的固溶體, 580的情況下界析出相未粗、三交界處的角度未出現等分的120 ,表明未發生過燒。
  8. This edta route has several remarkable advantages in comparison with other method. because of the greater ability of edta anions to chelate metal cations, and forming very stable and soluble complexes, all of the starting materials are mixed at the molecular or atoms level in a solution, it is easy to control the composition and a high degree of homogeneity is achievable

    傳統的合成方法是高溫固相反應,由於灼燒溫度高、灼燒時間長,形成團聚體,產物徑較大,一般為m級,需進行球磨粉碎以減少其徑,很難制得均相、均一度分佈的氧物粉體,在研磨過程中容易引入雜質且形破壞使得發光亮度減小。
  9. The results of pure cu show ecap can produce bulk material of submicrometer level indeed. as the number of passes increases, the initial structure of pure cu has been refined largely. after six passes, i. e. the equivalent true strain of 4 ~ 5, the grain size gradually becomes stable and uniform

    對純銅室溫ecap超細行為及組織穩定性的研究表明: ecap技術的確能制備出亞微米級的塊體材料,隨著ecap道次的增加,純銅的組織被大大細, ecap六道次(即等效真應變4 5 )后,尺寸趨于穩定,度基本飽和。
  10. Through strength tests and xrd tests for cemented stone, the paper presents action mechanism of the nanometer materials in the cement hydration and hardening process : pozzolanic effect, filling effect, acceleration action for the cement hydration, and improving action for microstructure. from the four aspects, the modified mechanism of the nanometer silica fume and ordinary silica fume in cement paste are compared. the analysis results show that the particular properties of the nanometer silica fume include particle fineness, crystal structure and surface hydroxy, etc. a serial of laboratory tests are performed to study physical and mechanic properties of the clay with the addition of the nanometer silica fume

    結合水泥石強度試驗和xrd試驗,從火山灰效應、填充效應、水泥水促進作用和微結構改善作用等方面探討了三種納米礦粉在水泥水過程中的作用機理;從這四個方面出發,對比分析了納米硅粉和普通硅粉作用機理的異同點,分析表明,納米硅粉的優異特性主要表現為顆細度、體結構、表面羥基等特性。
  11. Simulating on polycrystalline cyclic deformation indicates that hardening first appears at grain boundary then spreads to grain inside. finally, hardening is not well - distributed in the specimen when deformation is limited

    循環塑性模擬對于多材料的bauschinger效應和過程以及在試樣上的非均勻分佈給出了相應的描述。
  12. We studied the effect of laser quenching ( harden by phase transformation ) on some representative mould steels. through measuring the rigidity on the surface of samples treated by laser heat treatment, and through photographing microstructures of the steel surface, we find many reasons attribute to high hardness. these reasons include ultra - fine grains, high density dislocation and more content of carbon in martensite

    我們研究的是激光淬火對幾種典型模具鋼的作用,通過對熱處理后的試樣的度分佈的測定,用金相和電鏡觀察金相組織的變,認為激光熱處理產生高度的原因是、高的位錯密度和高的馬氏體含量。
  13. Iron and steel. determination using fracture test pieces of the austenitic grain growth tendency and of the hardness depth in tool steels shepherd test

    鋼鐵.用斷裂試驗樣件對奧氏體增長傾向和對工具鋼深度的測定
  14. With frame gather card and ccd, metallographic image which can be processed by computer is acquired after a serials of the applications of digital image technique such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. an automatic quantitative metallographic analysis system is developed with visual c + + 6. 0 to realize the measuring of the size of the metal crystalline grain, evaluation the proportion of the second tissue of the metal, micro hardness. with three - level browser / server mode and active server technology, the system gives the remote user the applying service through network to communicate and analyze the image information

    利用數字圖像處理技術,對圖像採集卡或ccd攝像頭採集到的金相圖像進行灰度轉換、二值、噪音消除、圖像增強、邊緣提取等一系列圖像預處理,獲得計算機可以處理的數字圖像;並利用visualc + + 6 . 0開發定量金相分析系統,以實現對大小、金相組織第二相相對含量、顯微度等參量的自動測量;採用基於browser server的三層體系結構,通過網路訪問,並利用activeserver技術給遠程用戶提供應用服務,以便於根據圖像分析結果,給出專家分析意見,實現異地分析及交流。
  15. The fine powder flows into the product cyclone collector together with air flow and is expelled from the powder output pipe as product. raymond grinder. in the grinding chamber, since the stuff contains moisture to some extent, raymond grinder the heat generated during grinding makes the moisture evaporated ; since the pipeline joints are not airtight, raymond grinder the external air is sucked in and the circulation air mass increased, in order to enable the grinder to work in negative pressures, raymond grinder the increased air flow is guided to the deduster and sepuentially to the atmosphere after purification. raymond grinder. raymond grinder function tehnical datum

    雷蒙磨粉機-本機適用於粉碎重石石灰石陶瓷礦渣等莫氏度不大於9 . 3級,濕度在以下的非易燃易爆的礦業冶金工建材等行業280多餘種物料的高細制粉加工如:各種礦石工原料等,雷蒙磨粉機成品度60 425目范圍內根據需要任意調節雷蒙磨粉機最細1000目。
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