破裂韌性 的英文怎麼說

中文拼音 [pòlièrènxìng]
破裂韌性 英文
fracture toughness
  • 破 : Ⅰ動詞1 （完整的東西受到損傷） be broken; be damaged 2 （使損壞） break; break down; damage 3 （使...
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 韌 : 形容詞（不易折斷; 柔軟而結實） pliable but strong; tenacious; tough
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 破裂 : break; fracture; burst; split; rupture; crack
  • 韌性 : 1. （指頑強持久的精神） tenacity 2. [力學] toughness; ductility; ductibility
  1. Relation between the microscopic fracture pro cess of carbon epoxy composite laminates and their fracture toughness

    環氧樹脂復合層板脫層破斷的微觀過程與斷裂韌性的關系
  2. Test method for jic, a measure of fracture toughness

    Jic -破裂韌性的試驗方法
  3. 2. because the fracture mode of 3d braided cmc is the interfacial fracture of mode i and mode ii, energy release rate gc and complex stress intensity factor kc was designated as characterization parameters of fracture toughness in the linear fracture theories. 3

    根據三維編織c sic復合材料斷裂韌性的表徵問題屬于線彈性理論范疇以及材料斷裂模式是界面損傷破壞模式的實驗研究結果，提出了該材料的表徵參量應該使用與界面相關的型和型混合斷裂的能量釋放率g _ c ，或者使用復應力強度因子k _ c 。
  4. Determination of a fracture toughness of steels using equivalent energy methodology

    用等效能量研究法測定鋼破裂韌性
  5. In the first part of this dissertation, theory of fracture mechanics of the frozen soil has been presented. a general strength theory based on fracture mechanics was proposed, and the validity of the theory using in frozen soil was discussed. the fracture toughness values for different kinds of cracks extension were determined, such as the plane strain fracture toughness for mode i cracking ( kic ), fracture toughness for mode cracking of frozen soil and the intersection of frozen soil and concrete

    論文第二章為凍土斷裂力學的基本理論，包括斷裂力學在凍土研究中的工程適用性、條件適用性、平面應變斷裂韌度測試的適用條件等，給出了凍土斷裂韌度k _ （ c ） 、 k _ （ c ） 、 -型復合斷裂測試的基本原理及試驗方法，並基於weibull脆性破壞理論推導了凍土三點彎曲試樣k _ （ c ）尺寸效應系數，為後面的工作提供理論基礎。
  6. Impact - resistant and flexible, it will neither crack nor break

    耐沖擊性和柔韌性使其不會破裂。
  7. The following conclusions are gained : ( 1 ) the located shear band prongs the ligament near the top crack tip and the structure may occur shear - mode fracture at the angle of 155 ? to crack when load is 87. 92mpa ; the mode of fracture of the flange joint structure is not possible to be void - mode ; ( 2 ) it is proved that loading and then unloading repeatedly can not increase the possibility of invalidation of the structure when the times of loading and unloading are not too more when load is operating pressure ; the structure is safe when the vessel is operating ; ( 3 ) in the fe model of the thesis, not considering the influence of water pressure test which is in the process of fabrication of vessel in fe results in larger deviation in analysi

    得出了以下結論：在8792mpa的載荷下筒體一封頭連接結構處的集中剪切帶貫穿韌帶，可能發生沿與原裂紋線成155 「角方向剪切型斷裂；筒體一封頭連接結構不可能發生韌窩型斷裂； （ 2 ）在工作壓力下進行次數不多的反復加、卸載，結構不會破壞，也不會喪失安定性：結構在工作狀態下是安全的； m在本文的彈塑性有限元模擬計算中，對于裂紋尖端進行力學分析時，不考慮壓力容器製造過程中水壓試驗的影響，將導致計算結果出現較大的偏差； （ 4 ）筒體完全屈服時的載荷為92石3mpa ，封頭完全屈服時載荷為86
  8. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明：通過對rpc各組分摻量變化的研究，可以找到rpc的最優配合比；試件成型后的熱養護制度對rpc的性能影響巨大； rpc的抗壓應力?應變曲線可以反映出試件受破壞時微裂紋的擴展情況，剛纖維的摻入可以大幅改善rpc的韌性； rpc在成型后存在較大的收縮，而其中的化學收縮要遠遠大於乾燥收縮； rpc具有很強的抗氯離子滲透性能，漿體的密實度很高；通過x射線衍射實驗，可以發現rpc的膠凝體中ch晶體已經幾乎不存在，膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成；在抗溶液侵蝕的實驗中，摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件，酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用，但是機理各有不同。
  9. With the decreasing of heterogeneity, the main failure process presents brittle behavior, and vice versa, with the increasing of heterogeneity, failure process presents ductile behavior

    隨著非均勻程度的降低，主破裂呈現脆斷模式，而隨著非均勻程度的增加而呈現韌性破壞特徵。
  10. With a detailed understanding of strength in alloys, this lecture begins to address the issue of ductility and toughness. necking and cleavage cracking are discussed in terms of prior concepts

    在詳細的了解合金的強度之後，這堂課開始說明延性及韌性。並以前面所學的觀念探討頸縮及劈裂破壞。
  11. But calcium phosphate ceramic with high porosity is such brittle and low toughness that it ca n ' t fit to bone tissue engineering. in order to provide appropriate scaffolds for bone tissue engineering, calcium phosphate was combined with plla to prepare porous material

    但磷酸鈣多孔陶瓷材料脆性大，在生理環境中的疲勞與破壞強度不高，尤其在濕環境下斷裂韌性很低，不能制得滿足組織工程要求的高孔隙率，力學性能較高的支架材料。
  12. With strong high toughness and wear resistance, the use of safe, efficient, non - deformed, no fault, no broken, the main technical and economic indicators have reached the country particle counter level than the price of steel materials reduced by 20 percent or more, a warehouse liner can be used 3 years

    具有強韌性和高耐磨性，使用安全、高效、不變形、無斷裂、無破碎，主要技術經濟指標達到了國外同類產品的水平，價格卻比中合金鋼材料降低20 %以上，一倉襯板使用3年。
  13. The result of macro - quality experiments show : mineral admixtures markedly slow the hydrating velocity of cement slurry, decrease and delay the hydrating max - temperature, in which steel slag is more effective ; expansive agents compensate concrete shrinkage, enhance the concrete dense degree, strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of acic ; minimal admixtures markedly improve the concrete workability property, increase the concrete later intensity & density and the capability of anti - chemical attack and anti - permeability ; hybrid fiber reinforces the toughness of obviously acic by the means of anti - cracking effect of fiber with different sizes and different properties in the corresponding construction levels

    實驗結果顯示：鋼渣摻合料能顯著減緩水泥漿體水化速率，降低砂漿的水化溫升並延遲最高溫升時間；補償混凝土收縮，提高混凝土密實度，加強纖維與水泥石的界面粘結，增強混凝土力學性能，但不能明顯改善混凝土韌性。混雜纖維通過纖維的不同尺度與不同性質在相應的結構層次上產生阻裂效應，增韌鋼渣防滲抗裂混凝土；增加混凝土的破壞極限能，極大提高混凝土抗彎曲能力和韌性指數，改善混凝土脆性。
  14. The cohesive theory has proved effective in the simulation of complex fracture processes including : the fragmentation of brittle materials ; dynamic fracture and fragmentation of ductile materials ; and the dynamic brazilian test for concrete

    已證實此理論對復雜的斷裂過程的模擬是有效的，包括：脆性材料的斷裂、韌性材料的動態斷裂和破碎、混凝土的動態bazilian測試等等。
  15. Viewing solely from their performance, mdf, dsp, rpc all enjoy a high compressive strength. their flexural strength, fracture toughness and elastic module have broken the limit of traditional cement based materials. all these materials have acquired the features of high toughness material

    從材料性能審視，無宏觀缺陷水泥基材料、均布超細顆粒緻密體系、活性粉末混凝土等的抗壓強度都非常之高，其抗拉強度、斷裂韌性和彈性模量也突破了傳統水泥基材料的限度，這些材料具備了高強韌性材料的特徵。
  16. 16mnr and 45 # steel are taken as examples. the obtained results have been applied to analyze the safety of operation pressure and rationality of design of a kind of engineering structure - a flange joint of hemispherical head to cylindrical shell. try to seek a sort of new method to assessment the capability of structure to load beyond the traditional method which regards stress and strain as main parameters

    本文以45 ~ #調質鋼和壓力容器常用鋼材16mnr為研究對象，對金屬材料韌性斷裂的斷裂模式進行細觀機理上的研究，進而分析一種工程結構? ?採用與筒體厚度不同的半球形封頭的壓力容器的筒體連接結構? ?的靜載變形特點和破壞形式，嘗試在以應力應變為主要參數的傳統方法之外，尋求一種新的結構承載能力分析的方法。
  17. The results at normal temperature have shown that klc of high polymer bonded explosive are very low comparing to metals and some high polymer materials, thus the ability of pbxs to resist crack expanding is very poor, and once some cracks occur inner a structural part of pbxs, the structure will fail very soon and easily. so in the process of machining and production, cracks should be avoided carefully in pbxs parts. some important laws about klc of the three typical pbxs above changes with temperature have been obtained as follows : a

    對三種具有代表性的高聚物粘結炸藥j1 、 j2和j3在常溫下的平面應變斷裂韌度進行了測試與研究，研究結果表明：相對于金屬及某些高分子材料而言，高聚物粘結炸藥的k _ （ ic ）值很低，即高聚物粘結炸藥的抗裂紋擴展能力是極差的，一旦炸藥構件中產生了裂紋，炸藥構件將極易破壞，因此，在高聚物粘結炸藥構件的生產及加工過程中，應避免裂紋的產生。
  18. Polarization microscope had observed that the size of sphere crystal of pp after adding organic rigid particles became smaller, the excellent compatibility of interphase between matrix and organic rigid particles in composite has been proved, and the organic rigid particles were drew out into cavities from matrix in the photograph of the impact breaking section by sem. the reason of enhanced toughness of the composite is that the material absorbed amount of energy at forming cavities, which is the mechanism of the pp composite toughened with the organic rigid particles

    偏光顯微鏡顯示加入有機剛性粒子可使pp的球晶尺寸減小， sem觀察到復合材料中基體材料和剛性粒子的界面相容性較好，在沖擊破壞的材料斷面上，剛性粒子明顯被拔出形成「空穴」 ，這些微小空穴較易產生而吸收能量，從而提高了材料的斷裂韌性，這是剛性粒子復合聚丙烯的增韌機理。
  19. Experimental results indicated that the polypropylene fiber can improve the workability of concrete availably, and can increase the presentation quality of structures with the voids and pits decreased ; the cracks of beam are controlled effectively, the width and length of crack decreased, the dispersibility of crack in beam face improved, and the ductility of beam increased ; and the cracking load of reinforced concrete beam is increased, the amplify up to about 30 %, simultaneity the ultimate bear capacity increased

    試驗研究表明，使用聚丙烯纖維后，能有效改善新拌混凝土的和易性，並能增強混凝土構件的外觀質量，減少構件表面蜂窩、麻面、氣孔、細小裂紋等；同時，在破壞試驗過程中發現梁的裂縫能得到有效控制，裂縫寬度減小，裂縫的發展高度降低，裂縫的條數增加，提高了梁截面的裂縫分散能力，增強了梁中混凝土的韌性；提高了鋼筋混凝土梁的開裂荷載，幅度可達30左右，增強了結構的延性，提高了結構的抗裂性能和屈服荷載。
  20. Further, the mechanical behavior and fracture features under flexural load of the c / sic composites are discussed with mechanical properties contract to microstructure and cvi - pip process parameters. the multiple fracture phenomenon of the c / sic with high toughness connected to multiple interface fracture is found, which supplements the conventional composite theory on the relationship between strength and fracture mode

    聯系化學組成及微結構參數、工藝參數，進而研究了彎曲載荷下該c / sic復合材料的行為特徵和失效過程，發現了一種與多重界面失效緊密聯系的、高斷裂韌性的多重損傷累積型材料破壞現象，補充了傳統的脆性基體復合材料強度一斷裂韌性理論。
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