晶粒細化 的英文怎麼說

中文拼音 [jīnghuà]
晶粒細化 英文
crystalline refinemenet
  • : 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 (條狀物橫剖面小) thin; slender 2 (顆粒小) in small particles; fine 3 (音量小) thin ...
  1. 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,使基體材料晶粒細化,韌性增加,強度增加,硬度增加,磨擦因數降低,從而製造出了高性能長壽命的機械零件。
  2. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到, pp mmt _ ( ome )屬于完全插層, pp mmt _ ( om )與pp ommt的插層程度相近,但是pp mmt _ ( om )相對較好;通過對純pp和三種pp mmt納米復合材料的結性能研究發現,蒙脫土納米片層對pp結產生明顯的異相成核作用,結能力增強,使pp的結溫度和結速率提高,結度增加,球晶粒細化,但是沒有改變pp的結形態,三種pp mmt納米復合材料的結形態都屬于;通過對pp mmt納米復合材料的力學性能測試得知,蒙脫土的加入全面提高了pp的力學性能,缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高,浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大,不過ommt 、 mmtom和mmtc ) me三種蒙脫土對pp力學性能有著不同的改性作用,其中pp / mmtom最好, pp月邊mto崛次之, pp / ommt最低,這種情況主要是由蒙脫土對pp結性能的影響和蒙脫土的納米改性作用造成的。
  3. The crystalline structure changes of pp induced by pan - milling were characterized by x - ray diffraction and raman spectroscopy. xrd analyses show that when pp was co - milled with uhmwpe, crystal transformation of pp occurred, its crystallinity and crystallite size decreased, whereas, only slight reduction of crystallinity and crystallite size were observed and no crystal transformation was found when pp was co - milled with wtr chips, and amorphization of pp was strongly enhanced by co - milling pp with iron

    採用x -射線衍射研究了聚丙烯碾磨粉碎過程微觀結構變, uhmwpe存在下pp發生型轉變、結度降低和尺寸減小;彈性材料wtr抑制pp塑性變形,碾磨導致分子堆積有序區域膨脹,面間距增大,結度下降;剛性材料金屬鐵與pp產生強烈摩擦,加快晶粒細化格破裂導致非
  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材料,軸向壓力、扭轉速度和溫度是採用該方法制備超材料的主控參數;試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬效果影響顯著;超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ly12的熱膨脹系數在550左右發生明顯的變
  5. Increasing the cooling velocity and additions of nb and zr can refine the a - fe dendrites in as - cast alloys, decrease the amount of a - fe phase after homogenization treatment. as a result, the magnetic. properties were improved

    提高鑄錠的凝固速度及添加nb和zr可以促進鑄態合金內- fe相的晶粒細化及均勻分佈,減少均勻后殘留的- fe相,提高均勻的效率和質量,從而提高磁體的矯頑力。
  6. Grain refinement mechanism of zirconium in the mg - 9gd - 4y alloys

    合金中的晶粒細化機制
  7. The analyses of their microstructure showed that comparing with zl101 that contained no titanium, the trace amounts of titanium in alloys caused grain refining of al - l % si in zl101a prepared from electrolytic low content titanium aluminum alloy ( i. e. alti101a ) and zl101a prepared from electrolytic al - si - ti alloy ( i. e. ast101a ), and the grain size distribution became more even, whereas the trace amounts of titanium have little influence on the size and shape of si particles in these alloys

    微觀組織分析結果表明,相對于不含鈦的zl101 ,微量的鈦可以使電解低鈦鋁合金制備的zl101a ( alti101a )和電解鋁硅鈦合金制備的zl101a ( ast101a )的( al )相的晶粒細化大小分佈均勻,但對它們的si子尺寸和形貌影響不大。
  8. A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces

    在陽極極實驗(包括掃描法和臺階法)中,致鈍電流雖尺寸減小而增大,而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米銅的長大和孔蝕,微米銅表面的均勻腐蝕,和兩種銅表面破碎的鈍膜。
  9. Ecap was successfully used to refine ly12 alloy to 0. 5 m at room temperature after seven passes. the pretreatment process concluded from experiments was solution treated at 500 for 2h and overaging at 400 for 8h

    對普通高強度鋁合金ly12的室溫ecap的研究表明: ecap前的預處理對ly12室溫ecap的實現具有重要影響,採用500 2h固溶+ 400 8h過時效的預處理工藝,經七道次室溫ecap后,晶粒細化至0 . 5 m 。
  10. Research on refinement of the high - strength and ductility al - si alloy

    合金的晶粒細化研究
  11. Refinement of the grain size and electric mechanism of al - mg alloy

    合金晶粒細化及電子機制研究
  12. Analysis on refining the zld11 nuclear

    11鋁合金晶粒細化分析
  13. Effect of deforming method on grain - refining in 20mn2 steel containing zrc particles

    2鋼晶粒細化的影響
  14. Grain refinement and its correlation with strain for pure copper subjected to high pressure torsion

    高壓扭轉致純銅晶粒細化及與應變的關系
  15. Grain refinement and modification effects of al - ti - b and al - 5 sr master alloys on the wheel aluminum alloy

    中間合金對輪轂鋁合金的晶粒細化和變質作用
  16. Moderate refinement of grain is an effective method to enhance service and shaping properties

    適度的晶粒細化是提高材料服役性能和加工成形性能的有效手段。
  17. The ecap results of different initial grain show initial grain have a great influence on the refinement of grain. more equiaxial and uniform the initial grain is, it is more favorable for the refinement of grain

    對不同初始純銅室溫ecap行為的研究發現:初始對其ecap行為有很大的影響,初始越等軸、越均勻,越有利於晶粒細化
  18. The action of the carbide of magnesium series, lanthenide series and the mixture of them on the grain refinement in magnesium alloys was studied. the mechanism of grain refinement of magnesium alloys was also discussed

    本文還研究了鎂系、鑭系碳物以及二者混合物在鎂合金的晶粒細化過程中所起的作用,並對鎂合金的晶粒細化機理進行了探討。
  19. 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硬度分佈的測定,用金相和電鏡觀察金相組織的變,認為激光熱處理產生高硬度的原因是晶粒細化、高的位錯密度和高的馬氏體含量。
  20. Experimental results show that the grains were gradually triturated to namometer size with milling time and the grain size might be 30nm or so, but the grain size was not decreasing after the powder has been milled for 25 hours. the nano - sized sic was synthesized by ball milling of si and c mixed powders which rare earths as a additive was added to

    結果表明:隨著時間的延長,粉末逐漸至納米級,可以到30nm左右,但球磨時間超過25h后粉末顆繼續的速度明顯放慢,並且在球磨的過程因為晶粒細化內部發生了嚴重的格畸變,納米粉體x射線衍射峰產生嚴重寬
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