mechanism of fracture 中文意思是什麼

mechanism of fracture 解釋
破壞斷裂機理
  • mechanism : n 1 （機械）結構；機械裝置[作用]；（故事的）結構。2 【哲學】機械論 （opp vitalism）。 3 【文藝】...
  • of : OF ＝Old French 古法語。
  • fracture : vt. ,vi. （使）破裂；（使）折斷；（使）斷裂。n. 1. 破裂，折斷，斷裂。2. 裂痕，裂縫，裂面。3. 【醫學】挫傷，骨折。4. 【礦物】斷口；【地質學；地理學】斷層。
  1. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金化50crv鋼強韌化機理，本文通過對不同淬火溫度，回火溫度，回火時間下的力學性能指標的對比及顯微分析，認為微合金元素的細化晶粒，馬氏體的回火分解，殘余奧氏體的轉變，第二相的沉澱析出共同決定了微合金鋼的強韌化情況，特別是由於微合金元素的存在，其細化晶粒及其碳氮化物的沉澱析出，導致鋼的良好的強韌性，並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應，會在硬度曲線中產生明顯的二次硬化現象。
  2. Tensile properties and fracture mechanism of ti - si eutectic alloys

    鈦硅共晶系合金的力學性能與斷裂機制
  3. From macroscopical to microcosmic, from qualitative to quantitative, from fracture surface analysis in fracture failure to fractography about mechanism, it stated position and function of fracture surface analysis in fracture failure analysis and introduced the contents, evidence, fundamental skills and methods of fracture surface analysis and emphasized the development of fractography and the research on fracture micromechanism

    摘要從宏觀到微觀、從定性到定量、從斷裂失效的斷口分析到機理研究的斷口學，闡述斷口分析在斷裂失效（事故）分析中的地位和作用，介紹斷口分析的內容及其依據、基本技能和方法，著重說明斷口學的發展和微觀斷裂機理的研究。
  4. In the same time, according to the fracture test results, the influence mechanism of aggregate size on fracture toughness of adherence of new and old concrete is discussed and analyzed, which is verified by manse of the fractal theory

    同時根據新老混凝土粘結斷裂試驗結果，分析了粗骨料最大粒徑對新老混凝土粘結斷裂韌度的影響機理，並用分形理論對影響機理進行了驗證。
  5. Through the research on the development character of overthrust fault, we analyzed its sealing mechanism. we also established evaluation standard and method of fault sealing ability through the following two simulation experiment : experiment on the quantitative relationship between property of fracture zone filler and fault sealing ability ; experiment on the deformation character of cream shale. based on these work, we evaluated sealing ability of overthrust faults on several typical structure in kuche depression

    本文通過逆掩斷層發育特徵研究，分析了逆掩斷層封閉機理，在斷裂帶填充物性質與斷層封閉性定量關系模擬實驗和膏泥巖變形特徵模擬實驗基礎上建立了斷層封閉性評價標準及評價方法，以此對庫車坳陷幾個典型構造上逆掩斷層垂向封閉性進行了評價，結果表明現今斷層多是封閉的，這是庫車塌陷天然氣和異常孔隙流體壓力得以保存的主要條件。
  6. An investigation on the fracture mechanism of concrete under different shock loading in water

    不同沖擊載荷下水中砼破壞機理的初步研究
  7. After researching the loads on dangerous rock synthetically, the author points out the development and collapse mechanism of dangerous rock : the geology foundations that forms dangerous rock are the constructional surfaces such as tectonic fracture 、 relief fissure, soft interlayer etc. the developing of dangerous rock is due to release of in - situ stress in rock 、 aeolation 、 water erosion and root flerry. the main loads leading to collapse of dangerous rock are gravity, water pressure and earthquake force

    在綜合研究危巖上的各種作用之後，本文提出了危巖的形成和破壞機理：硬質巖體中構造裂隙、卸荷裂隙、及各種軟弱夾層，結構面的的存在是危巖形成的地質基礎；地應力卸荷、風化、流水侵蝕、植物根劈是危巖發育的主要作用；重力、水壓力、地震力是危巖崩塌的主要荷載。
  8. In this paper, finite element method ( fem ) was used to study the biomechanical responses and injury mechanism of pedestrian lower extremities in traffic accidents. the fem model was used also to predict the risk of bone fracture of the lower extremities. the results from this study can forms a background knowledge to improve the safety performance of passenger car bumper system for protection of pedestrian lower extremities in traffic collisions

    為了減少行人在碰撞事故中下肢的損傷風險，本文採用有限元分析的方法，研究了行人下肢的碰撞生物力學響應和損傷機理，並模擬分析預測了下肢的骨折風險，研究結果可為改進車輛保險杠系統的安全性能提供依據。
  9. Development characteristics and genetic mechanism of the untectonic fracture

    非構造裂縫的發育特徵及成因機制
  10. In the view o6f micro mechanics and fracture mechanics, the mechanism of crack generation of mass concrete is expatiated, thermal stress on the interface between aggregate and cement paste of concrete and crack forming and developing is analyzed and the disciplinarian crack developing with temperature is given

    本文從微觀力學和斷裂力學的角度，探討了混凝土結構開裂機理，分析了溫變過程中混凝土骨料與水泥砂漿界面上的溫度應力以及界面裂紋的萌生和擴展，給出了裂縫隨溫度變化的擴展規律。
  11. Fatigue - fracture mechanism of main bearing cage for aircraft engine

    航空發動機主軸軸承保持架疲勞斷裂機理
  12. Brittleness mechanism and fracture characteristics of yus701 au stenitic stainless steel rof internal cover

    內罩的脆斷特徵及脆化機理
  13. Study on the brittle fracture mechanism of crwmn nail die by composite treatment

    制釘模脆斷機理研究
  14. Though ferro - electricity was recognized in the early 1920 ' s, people still do not clearly understand even its basic characteristics and microstructure because descriptions of the behavior of ferro - electric ceramics remain in their infancy. the mechanism of damage, fatigue, crack and fracture of ferro - electrics should be studied more concretely not only in theory but also in application

    人們雖然對鐵電現象很早就有了認識，但對其基本性能的認識還遠未完善，對材料的微結構、疲勞、損傷、斷裂、破壞失效的機理也不十分明了，迫切希望進行更深入、更全面的了解。
  15. Based on the existing research results and up to the minute theory of rock damage and fracture mechanics, the blasting damage and fracture mechanism of rock and bedded composite rock is studied

    本文基於前人的研究成果，採用巖體損傷、斷裂理論的最新研究成果，研究了巖石和層狀復合巖體在爆炸應力波和爆生氣體作用下的損傷斷裂機理。
  16. The research of high performance pavement concrete ( hppc ) is done in two sides. one is mixture design, the other is pavement performance. the mixture design and design flowchart of hppc is given on the base of nc with the consideration of characteristic of both hppc and nc. the grow law, influencing factor and formation mechanism of hppc strength is analisised by perpendicular experiment. in the same, the fatigue equations are set up for hppc and hppc i on the base of fatigue experiment. the fatigue mechanism of hppc is analysised by damage mechanics and fracture mechanics. brittleness, frost resistance and abrasion resistance of hppc is researched with the camparition to nc i. at last, the economic analysis of hppc is done by two kinds of way

    結合高性能混凝土與普通路面混凝土的特點，提出了建立在普通路面混凝土基礎上的高性能路面混凝土配合比設計方法，給出了設計流程；通過正交試驗（強度試驗） ，分析了高性能路面混凝土的強度發展規律、影響因素與形成機理；同時，根據疲勞試驗結果採用雙參數weibull分佈模型分別建立了高性能路面混凝土和高性能路面混凝土（沒有摻加硅粉）疲勞方程，應用損傷力學和斷裂力學，分析了高性能路面混凝土的疲勞機理；並採用了對比分析方法，研究了高性能路面混凝土的脆性、抗凍性和耐磨性等。
  17. Experimental studies on ductile fracture mechanism of aluminum alloy 2a

    12韌性斷裂機制的實驗研究
  18. The constitutive equations were gained by regression analysis and some material constants were derived from that with the aid of om, x - ray, sem and tem, the deformation structure of the mid - strength weldable 1420aluminum - lithium alloy on different hot deformation conditions was studied and the soften mechanism was discussed. at the same time, the fracture behavior has been studied as an important part. the fracture mechanism of 1420 aluminum - lithium alloy was confirmed

    結合金相顯微鏡、 x -射線衍射、掃描電鏡、透射電鏡等現代化的試驗手段，研究了中強可焊1420鋁鋰合金熱變形不同變形條件下的組織變化及軟化機制，分析了不同變形條件對合金材料組織變化的影響，確定了合金材料的軟化行為機理；同時，結合合金材料的熱變形高溫拉伸試驗，重點研究了材料的斷裂行為，分析了合金材料的斷裂現象，探討了合金材料的斷裂機理。
  19. Based on the theory of limit equilibrium and limit analysis approaches, a new calculation module is presented to study the fracture mechanism of foundations adjacent to or above slopes, which can consider the effect of ascent of fill section at the back of slopes. in the calculation of the ultimate bearing capacity of sloping ground with program written, the mobilization factor of the fill section at the back of the sloping ground in different conditions is gained. and, the bearing capacity factors and mobilization factor can be used in theory analysis and design of sloping ground

    為了研究斜坡地基的破壞機理，本文還利用極限平衡法和極限分析法建立了一個新的能考慮坡後土體坡度影響的斜坡地基的計算模式，通過編程對斜坡地基的極限承載力進行了計算，得出了不同地基情況下的斜坡地基坡後土體的發揮系數，得到的斜坡地基的承載力系數和發揮系數可用於斜坡地基的理論分析和設計當中。
  20. By the xrd phase analysis of the pre - sintered and sintered composites and the sem image of fracture microstructures of the composites, the sintering process and the sintering mechanism of the composites are investigated in detail

    通過燒結前後復合材料的粉末x射線物相分析及復合材料斷面微結構的觀察，詳細研究了復合材料的燒結過程和燒結機理。
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