composite fracture 中文意思是什麼
composite fracture
解釋
復合骨折-
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 -
Sicp / al matrix composites, with 5, 15 and 25 % volume fraction of sic particles, were prepared by vacuum hot - pressing sintering processing in this paper. based on mechanics properties, sem observation and energy dispersive x - ray analysis, the interface reaction phenomenon of sicp / al composites made by vacuum hot - pressing sintering, as well as the reinforcement and fracture mechanisms of this composite were analyzed. the dynamic responses of sipc / al composites were studied by a split hopkinson high - speed pressure bar impact system which strain rate was from quasistatic state strain rate ( 3. 3 10 - 3s - 1 ) to dynamic state strain rate ( 5. 2 103 s - 1 )
本研究以武裝直升飛機防護裝甲材料為研究對象，採用真空熱壓粉末冶金燒結工藝制備了含sic顆粒體積分數分別為5 、 15和25的sic顆粒增強鋁基復合材料，結合其力學性能、掃描電鏡和界面微區能譜分析結果，分析了sic _ p al復合材料的真空燒結過程中的界面現象，以及材料增強和斷裂機理，並利用hopkinson高速壓桿沖擊實驗系統對其從靜態到動態（應變率為3 . 3 10 ~ （ - 3 ） s ~ （ - 1 ） 5 . 2 10 ~ 3s ~ （ - 1 ） ）的壓縮破壞響應進行了研究，分析了不同體積分數sic _ p al復合材料高應變率壓縮載荷下，材料的變形和微觀損傷機理，以及利用高速沖擊空氣炮測定了改復合材料制備剃度復合板的穿透性能。 -
( 4 ) by use of dynamic strain testing, the ultrasonic wave, bedded composite rock damage and fracture mechanisms and the fragmentation process during blasting have been experimentally studied
（ 4 ）運用超動態應變測試技術、超聲波檢測儀對層狀復合巖體的爆破損傷破壞機理和破壞過程進行了實驗研究。 -
We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc
目前，解決混凝土開裂的方法是綜合的，我們調查研究了混凝土開裂的原因，開發研製了高性能抗裂外加劑，優化混凝土的設計和施工方法，並通過補償收縮達到混凝土體積穩定，提高抗裂強度，滿足混凝土拌和物高工作性能的要求。本研究採用多種測試技術，應用表面物理化學、結構化學、固體化學、復合材料學、斷裂力學等多學科的理論與方法，從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題，發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫度收縮、塑性收縮、碳化收縮等各種收縮變形引起的。 -
Study on the brittle fracture mechanism of crwmn nail die by composite treatment
制釘模脆斷機理研究 -
Ae signals released from different lay - ups composite specimens were acquired by a wideband transducer, and fracture surfaces of the specimens were observed by scanning electron microscope ( sem )
寬帶傳感器記錄了不同角度纖維鋪層的復合材料試樣在拉伸破壞過程中的聲發射信號，用掃描電子顯微鏡（ sem ）觀察了試樣的幾種典型的損傷破壞斷面，對比分析了不同類型的損傷機制。 -
The feature of acoustic emission on the damage and fracture in composite of glass - fiber epoxy
環氧樹脂復合材料損傷與斷裂過程的聲發射特性 -
Structure simulative experiment by using acoustic emission to detect the damage and fracture in composite flywheel
聲發射檢測復合材料飛輪損傷與斷裂的結構模擬試驗 -
Damage and fracture behavior of self - reinforced polyethylene ( pe ) composite under monotonic tensile loading were investigated by acoustic emission ( ae ) technique
摘要用聲發射（ ae ）技術研究了聚乙烯自增強復合材料的拉伸損傷與斷裂行為。 -
After the 1960s, some new breakage theories, such as the fracture mechanics and the damage mechanics, had been applied in the research of the concrete. it made people had the farther understanding about the concrete. based on the existing research productions of inland and overseas, combining with the experimental results and applying the viewpoints of the composite material, the energy, the combination of grandness and
本文結合試驗所得到的結果，在國內外已有研究成果的基礎上，應用復合材料觀點、能量觀點以及宏觀與細觀、損傷與斷裂相結合等觀點，較為詳細地探討了鋼纖維輕骨料混凝土的破壞特點和增強機理，並將損傷理論與斷裂理論結合起來對其受力性能的規律進行深入的分析。 -
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。 -
3. sem was used to analyze the inner structure of the composite. results show that composite effect tough fracture more easily with the disperse of talc treated with coupling agent
3通過斷面電鏡照片分析可知，加入偶聯劑后，採用密煉法將用偶聯劑處理的滑石粉均勻地分散到pp基體中，使pp更易發生韌性斷裂。 -
Under the mutual action of fatigue and creep, the destroy form of the composite board is mainly the syntheses of the fiber fracture, interface destroy and interbedded crack
在疲勞蠕變交互作用下層合板的破壞形式主要為纖維撕裂、界面剪切破壞和層間開裂3種形式的綜合表現。 -
The experiment study of fracture mechanics on self - healing composite material containing microcapsules
微膠囊自修復復合材料斷裂力學實驗研究 -
The second part concerns about the fracture analysis of cracked metalic structures. the last part investigates the behavior of impact dents on aircraft windshield glass and their possibility to be analyzed using fracture mechanics. in chapter 1, a review is made to the resent developments of cumulative damage models and fatigue life prediction methodology of composite laminates
本論文研究飛機結構疲勞和損傷容限分析中的若干問題，按研究的對象（材料、結構）可以大致劃分為三個組成部分：復合材料層壓結構疲勞分析，第一章第三章；金屬結構斷裂分析，第四、五章；座艙蓋玻璃撞擊損傷的斷裂分析，第六章。 -
Epoxy - bonding a carbon - fiber composite plate to the tension face of concrete beam is an effective technique for repair and retrofit of concrete beams. in the first part of this paper, based on the fracture mechanics and the theory of beam, a theoretic model is proposed to analyze the shear stress in the adhesive between carbon - fiber composite and concrete. and then the closure - form solution for the shear stress distribution is drawn
本文的第一部分基於斷裂力學與梁的基本理論，對碳纖維加固混凝土梁的粘結膠層以及粘結界面的剪應力分佈進行了理論分析，得出了其理論解析解；討論了碳纖維板的粘結長度、粘結厚度和粘結膠層的抗剪模量對界面剪應力分佈的影響。 -
The results showed that the interfaces strengthen between sic particles and aluminum would be improved by the interface reaction between them. the fracture of this composite would occur mainly in al matrix
研究結果表明：真空燒結過程中出現了界面反應，改善了界面結合強度，斷裂破壞主要在al基體上進行。 -
After analyzing 8 layers test data in 6 wells, we get the reservoir parameters of the nature fractured reservoir and the composite reservoir and the main fracture direction in this region
經對該區6口井8層試井資料分析，得到裂縫型油藏（包括寬而長的裂縫型油藏、壓裂后形成長裂縫型油藏）及復合型油藏參數，並確定了該區的主裂縫。 -
Two different reinforcing methodologies are applied : modification of the overlay characteristics by adding chopped glass fibers to the hot mixture asphalt ( hma ) and reinforcing asphalt overlay with glass grids. theory of fracture mechanics ( fm ) is employed to determine crack growth rates for the suggested anti - cracking overlay systems. asphalt mixture designing tests, three point bending tests and fatigue crack propagation tests were carried out. the critical stress intensity factors kic are determined for plain and reinforced asphalt concrete. depending on the fatigue crack propagation, the crack growth rate is determined for each type of anti - cracking system and the cracking process is also analyzed. one of the significant points in this study is the attempt to give better understanding of the crack propagation for multilayer asphaltic overlay or what are suggested herein to be called composite structure anti - cracking overlay system. the results indicate that the reinforcing materials improve anti - cracking characteristics of the asphalt concrete. composite structure anti - cracking overlay gives a good solution for the reflective cracking phenomenon over old cracked pavements
利用2種不同的方法加筋瀝青罩面:在瀝青混合料中加入短切玻璃纖維改善瀝青混凝土的特性，採用玻璃格珊加筋瀝青混凝土.應用斷裂力學方法分析瀝青路面裂縫擴展機理.採用瀝青混合料設計試驗、三點彎曲試驗和疲勞裂縫擴展試驗，確定加筋瀝青混凝土的臨界應力強度因子kic ，測量每一種瀝青罩面抗裂系統的裂縫擴展速率.本研究的主要特點是提出復合型抗裂罩面系統，分析了多層加筋瀝青罩面裂縫擴展過程，推薦了若干瀝青路面抗裂系統.結果證明，加筋材料可以提高瀝青罩面的抗裂特性，復合型抗裂罩面系統能夠有效地阻止反射裂縫的擴展 -
Hi this paper, concrete specimen of the same composite in shape of three - point - bend beam and wedge splitting specimen are tried out to ascertain the influence of specimen shape upon the fracture parameters
本文採用相同組分的混凝土材料以三點彎曲梁tpb和楔入劈拉試件ws作為比較對象驗證了試件形狀對斷裂參數的影響。
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