高溫拉伸性能 的英文怎麼說
中文拼音 [gāowēnlāshēnxìngnéng]
高溫拉伸性能
英文
tensile properties at elevated temperature- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 拉 : 拉構詞成分。
- 伸 : Ⅰ動詞(展開) stretch; extend Ⅱ名詞(姓氏) a surname
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 能 : 能名詞(姓氏) a surname
- 高溫 : high temperature; elevated temperature; hyperthermia; megatemperature; inferno
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For rotor steel ( 30crlmolv steel ), the tests of low - cycle fatigue property are done under different temperatures. the fatigue life under different temperatures is researched to make up for the defects of the testing for foreign similar materials. when pull - stretch data is attempted to evaluate low - cycle fatigue data, the result shows that four - point associated method in middle - low life zone is done well under room temperature, but there are large errors of four - point associated method and general - slope method under other temperatures
在本文中,通過與國外同類材料的性能進行比較,國產材料與國外材料共有的材料特徵基本相同;對轉子鋼( 30crlmolv鋼)進行了不同溫度下的低周疲勞性能實驗,研究其在不同溫度下疲勞壽命,以彌補國外對同類鋼材測試的不足;採用拉伸數據預測低周疲勞壽命時發現,室溫條件下用四點關聯法在中低壽命區預測較好,在高溫條件下四點關聯法和通用斜率法都有較大誤差,需要進行改進。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。Cu - zn - cr - zr conducting bar alloy and cu - cr - zr end ring alloys used for superpower asynchronous traction motor rotor were prepared by ingot metallurgy. using hardness measurement, tensile test at room and higher temperature, electrical resistance test at room and higher temperature, optical microscopy, xrd, sem, and tem, the mechanical and electric properties and the microstructure of above alloys at different treatment were studied. them were also analysed and explained in theory
採用鑄錠冶金法制備了大功率異步牽引電動機轉子用導條合金和端環合金,通過硬度測試、室溫拉伸、高溫拉伸、電導率測定、金相分析、 xrd 、 sem 、 tem等方法研究了不同加工工藝和熱處理工藝對上述合金力學性能、導電性能及其組織結構的影響和變化規律,並從理論上進行了分析和解釋。Compared with pure pmma, the thermal and mechanical properties of the nanocomposites are obviously improved at a very small amount of mmt ( ommt ) loading. the tgs of the composites via different methods are improved by 10 ~ 26 ?, the decomposition temperatures at weight loss of 5wt % are increased by 42 ~ 99 ?. in the bulk system, tensile strength, tensile modulus and impact strength are improved by 32. 2 %, 60. 3 % and 68. 6 %, respectively, without the loss of light transmittance
相對于純pmma體系,懸浮法、乳液法及本體法復合材料的t _ g值提高了10 26 ;后兩種復合材料熱失重5wt的溫度提高了42 99 ;而本體法復合材料的拉伸強度、拉伸模量及沖擊強度值最大分別提高了32 . 2 、 60 . 3和68 . 6 ,而透光性能基本未受影響。The results of the experiments show that the ti3al - tcll dual alloys, by vacuum - electron - beam weld, hot die forging and 680c / 12h, ac, heat treatments, have satisfied synthesis properties of intensity, plasticity, hardness. and also it is the feasiblie way. this will establish the supporting technology for the manufacture of the compress disk in the areoengine
實驗結果表明,經真空電子束焊接ti _ 3al ? tc11雙合金經過熱模鍛造和680 12h , ac或815 1h + 700 8h , ac熱處理后,焊接區組織過渡均勻,可以使得焊縫處強度在室溫拉伸時高於ti _ 3al ,而在600拉伸時高於tc11合金,獲得強度、塑性、硬度均令人滿意的綜合性能,且是一條可行的工藝路線。The relationship of true stress and true strain for the mid - strength weldable 1420 aluminum - lithium alloy has been investigated in this thesis by high temperature compression testing and high temperature tensile testing on different hot deformation conditions. the interdependence of flow stress, strain rate, strain and deformation temperature for the alloy at high temperature has been studied
本文通過高溫壓縮和高溫拉伸試驗,研究了中強可焊1420鋁鋰合金熱變形時不同變形條件下的應力-應變關系、變形條件對合金流變應力的影響;運用多元回歸分析方法,採用c語言編程確定了合金的本構關系方程;引入z參數,求解了部分材料常數,並用於材料的組織性能研究中。High temperature stretch property and rupture charactaristics of mg - li - al - zr alloy
合金高溫拉伸性能及斷裂特徵B & 0. 2 decrease while 6 increases with the increasing of the temperature. there lies deforamtion - hardening phenomenon during the course of the tensile deforamtion ; temperature has an obvious effect on deformation - hardening constant ( d / d ), which decreases gradually when temperature rises
對鎂合金高溫拉伸力學性能研究則表明,溫度對鎂合金高溫力學性能有顯著的影響:對所有試樣,隨溫度不斷升高,抗拉強度_ b 、屈服強度_ ( 0 . 2 )不斷降低,延伸率則不斷升高。Secondly, the effect of transverse deforming on the property of the wedge pressing was studied. the results showed that : the wedge pressing stock with the transverse deforming amount of 10 % acquired the best performance. the highest density got the biggest rate of slope while with the amount of 30 % the curve was more some special structure and performance as following : the large porosities was crushed into small or linear ones with the high - direction deformation amount of 20 % ; as the increasing of the high - direction deforming, the particles got a further deforming, the porosities got a further crushing, the small porosities were mergered by the large ones and the former then disappeared ; when the amound reached 60 %, the quantity of the porosities would obviously decrease which made the materials compact, the microstructure more uniform and the density and hardness curves more horizontal, the relative desity could reach 99. 7 %, the tensile strength b of the as - compacted samples reached 408mpa with the yield strength s teached 289mpa and the elongation percentage reached 13. 6 %. in addition, the microstructure of the wedge pressing stock under the pressing temperectureof 450 was uniform, the porosities and the boundries of the grains basically disappeared and the conjunction between particles was great
採用雙向楔形壓制,大尺寸噴射沉積5a06鋁合金楔壓坯的組織和性能變化具有如下特點:當高向變形量為20 %時,大的孔洞變形破碎為小的孔洞,或呈線狀孔;隨著高向變形量的增加,顆粒進一步變形,孔洞進一步破碎,大孔「吞併」小孔,小孔塌陷並逐步消失;當高向變形量達到60 %時,孔洞量大為減少,材料基本緻密,組織趨于均勻,楔壓坯料的密度、硬度變化曲線接近水平線,坯料的相對密度達99 . 7 % ,抗拉強度_ b = 408mpa ,屈服強度_ ( 0 . 2 ) = 289mpa ,延伸率= 13 . 6 % ;對比其它的壓制溫度,在450楔形壓制的坯料組織均勻,孔洞及顆粒邊界基本消失,顆粒之間冶金結合良好。While polyester fiber is subject to different draw ratio and heating temperature during high speed spin - fling, its original molecular orientation and crystallinity of polyester fiber are changed
摘要聚酯在高速紡絲過程中,施以不同的拉伸倍數與溫度,會造成纖維結晶度與取向度的變化,從而影響纖維的物理性能。When polyester fiber is subject to different draw ratio and heating temperature during high speed spinning, it will result in changes of the original molecular orientation and crystallinity of the fiber, thus affecting its physical properties
摘要在高速紡絲過程中對聚酯施以不同的拉伸倍數與溫度,會造成纖維結晶度與取向度的變化,從而影響纖維的物理性能。The influence of montmorillonite and various drawing temperature on the physical and mechanical properties of pet fiber were investigated. the result showed that the thermal stability of fiber could be improved with drawing temperature increased from 160 to 180
研究不同拉伸溫度對pet mmt納米復合纖維物理機械性能的影響,結果顯示提高拉伸溫度能改善纖維的熱尺寸穩定性,而對纖維的力學性能、取向等影響不大。Based on investigating a large amount of documents, the fatigue crack propagation behavior of mg alloys am50 & az91 is studied in this paper, as well as the tensile mechanical properties at elevated temperature. micro - mechanics of tensile deformation and the fcpr are also investigated by sem & tem
本文在查閱大量相關文獻基礎上,對az91 、 am50鎂合金的疲勞裂紋擴展特性和高溫拉伸力學性能進行了一定的研究。藉助于掃描電鏡和透射電子顯微鏡,分析了拉伸變形和疲勞斷裂的微觀機制。Advanced technical ceramics. mechanical properties of ceramic composites at room temperature. determination of shear strength by short span bend test three point
高技術陶瓷.室溫下陶瓷復合材料的機械性能.第5部分:用短跨度拉伸試驗Based on results of a large number of runs , the following conclusions can be made at this stage of research. the fensile strength of the new steel added micro alloyed process is 1. 1 times. as large as that of original specimens. impact toughness improved by 300 %, elongation ratio increased by 79 % hardness has a little improvement than before. the obtained results demonstrate that the new material has supermechanical properties with the addition of the micro allolyed process
並在常溫下對合金化鋼的力學性能進行了測試。試驗結果表明,通過微合金化抗拉強度提高了10 . 2 % ,沖擊韌性提高300 % ,延伸率提高了79 . 5 % ,硬度稍有提高。總之,加入復合稀土、釩、鎳等微合金元素提高了材料的綜合機械性能。Fifthly, thermal stability is analyzed based on optimized structure of swcnt. under low temperature and high temperature, tensile responses of swcnt are probed. young ' s modulus and elastic strain are showed
隨后,對能量最優化后的碳納米管進行了熱穩定性分析,同時探討了碳納米管在低溫和高溫下的拉伸響應,估算了碳納米管的楊氏模量,計算了其彈性應變。The weight loss temperature at 5wt % of bulk p ( mma - chmi ) / ommt2 was improved by about 100 contrast with that of pmma and mechanics properties were improved partly under the condition that the transparency was not decreased greatly indicated by and organic mmt ( ommt ) dispersed in the polymeric matrix evenly as nanostructure
結果表明:在基本不影響材料的透光率的前提下,本體法p ( mma ? chmi ) ommt2的5wt熱失重溫度比pmma提高100左右,其維卡軟化溫度提高4 ? 7 ,而且其拉伸等力學性能有不同程度的提高。Pes is a good membrane materials which possess excellent properties, such as high mechanical strength, good chemical stability and resistance to heat, pressure and erosion, its temperature of glass transition is 225
聚醚碸( pes )是一種綜合性能優良的聚合物膜材料,其玻璃化溫度高達225 ,具有較高的拉伸強度和優良的化學穩定性、耐熱性、耐壓力,耐腐蝕等性能。The tensile mechanical properties of pur foam plastics as well as its strain rate effect and temperature effect were investigated by means of tensile experiments
摘要對高密度泡沫塑料進行了拉伸實驗,研究了材料的拉伸力學性能,並考慮了應變率效應和溫度效應。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