uhmwpe 中文意思是什麼

uhmwpe 解釋
超高分子量聚乙烯
  1. ( 3 ) the result showed that when ambient temperature rises to a certain degree, the frictional surface of uhmwpe and its composites melt and gelatinize

    門)當環境溫度升高到一定程度, uhmwpe及其復合材料與鋼配副的摩擦界面熔融變為凝膠狀態,其摩擦系數隨摩擦時間的延長保持不變。
  2. Tribological performance of nanon and micron fe2o3 filled uhmwpe composites

    基復合材料的摩擦學性能研究
  3. Ultrahigh molecular weight polyethylene, uhmwpe

    超高分子量聚乙烯
  4. Uhmwpe ultrahigh molecular weight polyethylene

    超高分子量聚乙烯
  5. 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化, uhmwpe存在下pp發生晶型轉變、結晶度降低和晶粒尺寸減小;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,晶面間距增大,結晶度下降;剛性材料金屬鐵與pp產生強烈摩擦,加快晶粒細化,晶格破裂導致非晶化。
  6. The adding of nano - particles and antioxidant ca n ' t affect the crystalline morphology of uhmwpe, but with the adding of antioxidant, the crystallinity increases and the average crystal size decreases, while the adding of nano - particles, the crystallinity decreases and crystal size increases

    納米粒子和抗氧劑的添加對uhmwpe的結晶形態都沒有影響,但加入抗氧劑后uhmwpe的結晶度變大,晶粒尺寸變小,而納米粒子的加入使uhmwpe的結晶度變小,晶粒尺寸變大。
  7. Surface modification of ultrahigh molecular weight polyethylene uhmwpe fiber by chemical etching method

    電暈法處理超高相對分子質量聚乙烯纖維
  8. Study on properties of uhmwpe fiber carbon fiber hybrid composites

    碳纖維混雜復合材料性能研究
  9. With the method of adding nano - particles during extracting stage, dry uhmwpe gel fiber dispersed with nano - particles is prepared, after multi - step hot drawing, modified uhmwpe fibers are prepared

    採用萃取加入的方式製成了納米粒子均勻分散的uhm認甲e干凍膠纖維,然後經過多級熱拉伸,製成納米粒子改性uhm從甲e纖維。
  10. Plasma treatment of uhmwpe fibers

    超高分子量聚乙烯纖維的低溫等離子處理
  11. The results indicate that : ( 1 ) as the drawing ratio increase, the mechanical properties, crystallinity and orientation of uhmwpe fiber all increase greatly, while the average crystal size decreases

    結果表明:隨拉伸的進行, uhm筋胭e纖維的力學性能、結晶度、取向度均大大提高,而晶粒尺寸逐漸變小。
  12. Uhmwpe ultra - high molecular weight pe

    超高分子量聚乙烯
  13. There exists loose network structure in uhmwpe gel fiber after phase separation, many nano - sized and micro - sized poles occur in uhmwpe gel fiber after extraction, so nano - particles can diffuse into gel fiber

    由於相分離而使uhmwpe凍膠纖維中存在著疏鬆的網路結構,經萃取后會在纖維中形成許多貫穿的納米或微米級的微孔,使納米粒子能擴散進入纖維中。
  14. The studies expressed that the tensile - strength declined with the growth of dose rate after the radiation treatment, and at the same time, the gel content had extreme value with the change of the dose rate. the surface of uhmwpe fibers showed some irregular micro - pits and dents after radiation treatment, narnely rough degree increasing. their number and deepness increased with increase of dose. and this phenomenon is the most obvious when the dose rate was 8. 5kgy / s and the dose was 400kgy. at the same time some containing oxygen groups, including hydroxyl group, carbonyl group and carboxyl group, were introduced into the fiber surface which was exposed to the air

    研究表明, uhmwpe纖維經電子束輻照處理后,纖維的拉伸斷裂強度隨劑量率的增加呈下降趨勢,凝膠含量隨著劑量率的變化存在極值。纖維表面出現了不規則的微裂紋和凹痕,隨著劑量的增大,電子束對纖維表面的刻蝕程度增加,在本研究中以劑量為400kgy劑量率為8 . 5kgy s時刻蝕效應最為明顯。同時,在空氣中進行輻照時,纖維表面被引入了一些含氧基團,包括羥基、羰基和羧基。
  15. Compared with the method of adding nano - particles during dissolving stage, by the method of adding nano - particles during extracting stage, there have no big agglomerated particles in fibers owing to the limit of pole size in uhmwpe gel fiber

    與溶解階段加入納米粒子相比,在萃取階段加入納米粒子,由於uhmwpe凍膠纖維內微孔尺寸的限制,纖維內沒有較大尺寸的納米粒子團聚體存在。
  16. The results show that the dispersibility of nono - particles become excellent after treated with 3wt % coupling agent of titanic ester, the average dimension of treated nono - particles in uhmwpe fibers is about 50nm, and no big agglomerated particles occur in it

    實驗表明經過3wt鈦酸酯偶聯劑處理的納米粒子的分散性最佳,處理后納米粒子在uhmwpe纖維基體中的平均尺寸為50nm左右,基本沒有大的團聚體存在。
  17. The surficial modification based on the free radical and the polar which was initiated by radiation. and we proceed to study the preradiation and coradiation grafting and surfacial grafting on the uhmwpe fiber under the electron beam. the grafting monomer were aa, am, st, mma. then we applied grafting ratios sem, ft - ir, dynamic wetting to represent the result of grafting

    本文分別採取預輻照和共輻照接枝方法進行了纖維輻照接枝丙烯酸、丙烯酰胺、苯乙烯、甲基丙烯酸甲酯的研究,並運用測算接枝率、 sem 、紅外光譜以及纖維浸潤性測試等方法對接枝效果進行了表徵,並據此分析了影響表面接枝效果的主要因素。
  18. The experiment result discovered the grafting effect of crylic acid and acrylamide were obvious which can be proved by the sem photoes. by the ft - ir testing of the grafted uhmwpe fabric, we discovered that some new polar groups were introduced to the surface. then by the dynamic wetting experiment of the grafted uhmwpe fabric, we concluded that the wetting time was a parabola relation with the graft ratio and the wetting time of the grafted uhmwpe fabric was less than that of untreated fabric. the results showed that after the coradiation grafting, uhmwpe fiber ' s surficial nonreactivity could be improved effectively

    通過對接枝uhmwpe織物的紅外光譜分析,發現其表面引入了許多新的極性基團。最後運用了纖維動態浸潤性分析了接枝后的效果,得到所測浸潤穩定時間與接枝率成拋物線關系,而且接枝樣品的浸潤穩定時間都比未處理樣品的浸潤穩定時間小些,這說明了共輻照接枝的方法可以有效地改善uhmwpe纖維表面惰性,達到uhmwpe纖維表面改性的目的。
  19. The effect of sliding velocity, lubricant and ambient temperature on the friction and wear of uhmwpe and uhmwpe - base composites has been systematically investigated. the thermal conduction and mechanical property of uhmwpe and its composi tes have been tested

    系統考察了滑動速度、潤滑介質和環境溫度對uhmwpe及其復合材料摩擦磨損性能的影響,試驗測試了uhmwpe及其復合材料的導熱性能和力學性能,分析了其與材料摩擦學性能之間的關系。
  20. Filling cu or cuo powder has changed the wear mechanism of rubbing pairs of uhmwpe - steel. when pure uhmwpe pairs up with steel, adhesive wear takes place. but after the cu or cuo power are putted in, adhesive wear and abrasive wear take place at the same time, and the percentage of abrasive wear increases accordingly with the increase of filler

    填料的加入改變了uhmwpe與鋼配副時的磨損機理,純uhmwpe與鋼配副時的磨損機理是粘著磨損,加入填料后變為粘著磨損與磨料磨損共存的狀態,而且隨著填料含量的增加,磨料磨損所佔的比重上升。
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