拉脫強度 的英文怎麼說
中文拼音 [lātuōqiángdù]
拉脫強度
英文
pull-off strength-
And due to the heat expansile coefficient of the stainless steel rather high, the connecting force between the stainless steel pipe and the pipe coupling in the room temperature is much less than that between the titanium alloy pipe and the pipe coupling. the results accord with the tensile experiments well. finally, the dependence of dimensions of the coupling on the strength of the connector system is analyzed
模型計算還表明,被接管材料和管接頭材料之間的熱膨脹系數的差異會造成管接頭系統的室溫強度低於高溫強度;由於不銹鋼的熱膨脹系數較大,使得室溫下1不銹鋼管與n立tinb形狀記憶合金管接頭間的抱緊力遠小於鈦合金管與nitinb形狀記憶合金管接頭間的抱緊力,成功地解釋了拉脫實驗中的結果。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納米復合材料的結晶性能研究發現,蒙脫土納米片層對pp結晶產生明顯的異相成核作用,結晶能力增強,使pp的結晶溫度和結晶速率提高,結晶度增加,球晶晶粒細化,但是沒有改變pp的結晶形態,三種pp mmt納米復合材料的結晶形態都屬于晶;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結晶性能的影響和蒙脫土的納米改性作用造成的。When fillings is other materials ( unprocessed montmorillonite, powder coal ash, co - composite of powder coal ash and organo - montmorillonite, co - composite ofcarbonizing calcium and organo - montmorillonite ) in the binder and content of organo - montmorillonite in the binder is five percent decided by tensile - shear experiment, tensile - shear strength of binder is up to tiptop ; at the same time, this paper carries out abrasion experiment, and, by comparison, concludes abrasion property of coating is optimum when content of organo - montmorillonite in the binder coating is five percent, and observes abrasion sample under set
當膠粘劑中填料為其它物質(未處理蒙脫土、粉煤灰、粉煤灰和有機化蒙脫土共復合、碳化鈣和有機化蒙脫土共復合)時,通過拉伸剪切試驗確定膠粘劑中有機化蒙脫土含量為5時,膠粘劑的拉伸剪切強度最高;同時進行了沖蝕磨損試驗,通過比較得出,當膠粘劑塗層中有機化蒙脫土含量達到5時,塗層的耐沖蝕磨損性能最佳,並對沖蝕磨損試樣在掃描電子顯微鏡( set )上進行觀察。The mechanical tests result showed that when the mmt content is 2 % and the compatilizer content is 15 %, the pmc has best mechanical property. the izod impact strength is 16. 45 kj / m2 and the tensile strength is 35. 77 mpa, increasing 280 % and 4. 3 %, compared with pure pp. the pom photo indicated that the o - mmt can reduce the scale of spherical crystal of pp
以am為插層劑得到的聚丙烯蒙脫土納米復合材料中,蒙脫土保持剝離狀態,但力學性能不理想,當土含量為0 . 5時,材料的沖擊強度為9 . 58kj m ~ 2 ,拉伸強度為25 . 5mpa 。Nonpolar polypropylene has bad compatibility with mmt even after organic modification to mmt. so polypropylene ( pp ) grafting acrylic acid was produced by the suspension grafting method as compatilizer. as pp / mmt nanocomposites prepared from htab modified mmt as concerned, the interlayer spacing of mmt is 4. 61nm, 4. 2nm and 4. 09nm respectively when the mmt content is 1 %, 2 % and 3 %. so, the abtained nanocomposites has intercalated structure
當土含量為2 ,相容劑用量為15時力學性能最好,缺口沖擊強度和拉伸強度分別達到16 . 45kj m ~ 2和35 . 77mpa ,分別比純pp增加了280和4 . 3 ,蒙脫土的加入起到了增韌和增強的雙重作用。The intercalation mechanism of insitu emulsion polymerization has been proposed for the first time. then acr / montmorillonite nanocomposites blended with pvc, the tem and xrd indicated that the montmorillonite were dispersed with nanometer in pvc matrix. the flexural strength and flexure modulus of composites increased with the montmorillonite content, and the impact strength of composites a little increased
且隨著acr蒙脫土納米復合材料中蒙脫土用量的增加,雖然pvc acr蒙脫土納米復合材料的拉伸性能變化不大,但抗彎強度和彎曲模量明顯增大,而且其缺口沖擊強度也有一定幅度的增大,具有工業實用價值。Rheometer 、 mooney viscometer 、 carbon black dispersion tester 、 tensile strength tester 、 ozone test chamfer 、 plunger / bead unseating tester 、 dynamic testing systems 、 heat generation & flexing fatigue tester, and other rubber and plastic testing instruments
硫化儀、門尼粘度儀、拉力試驗機、外胎強度/胎唇脫圈阻力試驗機、耐臭氧試驗機、疲勞變形發熱試驗機、動態測試分析儀、碳黑分散度儀…等各種橡塑料測試儀器。Mr radulovich ' s great meteorological interest was the interaction of wind and fire ? a fitting concern for one who could never escape the scorching he had suffered in an era of super - heated scare - mongering
拉杜洛維奇先生強烈的氣象學興趣是風與火的交融? ?在一個高度過熱且恐怖蔓延的時代,這是對那些無法逃脫酷熱燃燒的人一種切入心扉的關愛。Compared to pure up, the tensile strength and impact strength of nanocomposites with about lwt % organic montmorillonite increase by 20 % and 100 %, respectively
在有機蒙脫土加入量在1wt左右時,復合材料的拉伸強度提高了約20 ,抗沖擊強度提高約1倍。Test methods of pull strength for printed boards
印製板拉脫強度測試方法The modulus and strength of pet / mmt fiber were lower than those of pure pet fiber. this is probably because the lamellar montmorillonite does not disperse randomly and completely, and besides, the spinning and drawing process in our research is limited to make the montmorillonite layers better oriented along the fiber
但pet mmt復合纖維的模量及斷裂強度比純pet纖維稍有下降,這是因為在pet mmt復合材料中蒙脫土片層還沒有達到理想的無規分散,存在一定的團聚及未完全剝離現象,此外現有的紡絲拉伸工藝還不能使蒙脫土片層在纖維縱向形成很好的取向。And we also give the intercalation mechanism of emulsion polymerization, the reaction calories will be benefit to the exploit of montmorillonite. the properties of acr / mmt / pvc composites were characterized. the addition of montmorillonite can improve the strain strength ; enhance the decomposition temperature and vicat soft point, little influence to impact strength
將聚丙烯酸酯/蒙脫土納米復合物與pvc樹枝共混,考察了蒙脫土對pvc的改性效果,發現呈納米分散的蒙脫土可以明顯的提高pvc的拉伸強度、熱分解溫度和熱變形溫度,對抗沖性能影響不大。分享友人