破壞斷裂機理 的英文怎麼說

中文拼音 [pòhuàiduànlièjīlǐ]
破壞斷裂機理 英文
mechanism of fracture
  • 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...
  • 壞 : Ⅰ形容詞1 （不好的; 惡劣的; 使人不滿意的） bad 2 （表示程度深 多用在表示心理狀態的動詞或形容詞後面...
  • 斷 : Ⅰ動詞1 （分成段） break; snap 2 （斷絕;隔斷） break off; cut off; stop 3 （戒除） give up; abstai...
  • 裂 : 裂動詞[方言] （東西的兩部分向兩旁分開） open
  • 機 : machineengine
  • 理 : Ⅰ名詞1 （物質組織的條紋） texture; grain （in wood skin etc ） 2 （道理;事理） reason; logic; tru...
  • 破壞 : 1 （使建築物等損壞） destroy; wreck; ruin 2 （使事物受到損害） do great damage to; do harm to; da...
  • 斷裂 : break; disrupt; flying off; fracture; fragmentation; out break; rift;crack;bursting;rupture;rendi...
  • 機理 : mechanisation; mechanization; mechanism
  1. 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。
  2. Here we obtain the strain compatibility method ande equilibrium of forces and concepts of fracture mechanincs, they can be used to predict the ultimats strength in flexure that can be achieved by such elements, given the cfrp cross - sectional area, or conversely, the required cfrp cross - sectional area to achieve a targeted resisting moment of rehabilitated flexureal elements

    Cfrp加固梁在承受彎曲荷載時的破壞是鋼筋屈服后碳纖維斷裂和鋼筋屈服后混凝土壓碎。本文通過應變相容方法和對破壞機理的定義，由給定的cfrp橫截面積預測加固梁的極限彎曲強度；或者相反，在已知加固梁的極限彎曲強度時可以求出所需的cfrp橫截面積。
  3. And with the introduction of the modulus of elasticity from budiansky method, the general damage model of rock blasting is established in the paper. by use of the ultrasonic wave, rock damage and fracture mechanism and the fragmentation process during blasting are studied, and the theory presented in the paper has been proven

    運用超聲波等手段對巖石爆破損傷斷裂機理和破壞過程進行了試驗研究，分析了不同爆破條件下巖石內部微裂紋的擴展規律、損傷演化和巖石破碎規律，驗證了本文理論部分的正確性。
  4. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題，本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀；其次對整個吊車梁系統的外觀情況（包括連接、裂縫、腐蝕、銹蝕、制動桿件斷裂、吊車啃軌等）進行了現場調查，抽樣實測了梁的應力、化學成分、變形及軌道偏移等，根據實測結果，對吊車梁系統的承載能力進行了驗算；然後，根據現場調查及計算結果，探討了焊接鋼吊車樑上部區域疲勞破壞的機理，分析了重級工作制鋼吊車梁出現疲勞裂縫的原因，制定了初軋廠精整車間破損鋼吊車梁的加固方案；最後就重級工作制鋼吊車樑上部區域出現疲勞裂縫的修復與加固方案提出了一些意見和建議。
  5. Rubber components often appear interface failure due to the actions of mechanical loads and the influences of enviorment. hence, in this paper the interface failure mechanism has been studied by means of finite element method and fracture machinics. the numerical results of testpieces deformation with crack are in close agreement with experimental values

    橡膠鋼雙材料試件由於機械載荷和環境的影響經常在粘接界面發生破壞而導致結構失效，藉助有限元和斷裂力學對界面破壞機理進行研究，得到的存在初始裂紋的試件變形與實驗結果吻合較好。
  6. The scratching test was carried out with a single diamond tool to study the removal mechanism of litao3 wafer by load. the ae signals were measured, and the scratched surfaces of litao3 wafers in different conditions were observed by metallography microscope

    通過單顆粒金剛石壓入鉭酸鋰晶片光滑表面的劃痕實驗，研究鉭酸鋰晶片的機械力學性能和斷裂破壞情況，尋找合理的拋光壓力。
  7. 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。
  8. 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。
  9. At the same time in this paper we analyze nonlinear behavior of masonry through finite element method program and obtain its load when the wall start to crack and when it destroy, the p - u curve and so on. a comparison has been made between the data obtained from the experiment and the calculated through finite element method program so that we can study the cause of crack. in this paper we use finite element method to study concrete ' s character to analyze masonry, satisfactory results have been attained

    因此本文在對灰砂磚砌體進行力學性能試驗的基礎上，分析其裂縫產生的破壞模式與開裂機理，並論述了將斷裂力學知識運用於研究砌體裂縫問題的可行性；同時，本文運用有限元方法對結構低周反復加載靜力試驗所做的灰砂磚墻片進行非線性分析計算，得出墻片的開裂荷載、極限荷載、 p ? u曲線，裂縫在墻體上的分佈等，與試驗所得數據對比，以便於研究裂縫的開裂機理，並將研究混凝土的有限元方法運用到對砌體的研究中，取得了較滿意的結果，為類似的試驗分析提供了一條新的思路。
  10. The critical crack and stress put forward provides theoretic foundation for monitoring portal machine. 3. applying steady theory of board, studying the problem of early curvature, flexibility model, welding remaining stress, elastic transmutation and brace condition and so on, conclude that structure of beam is primary place where metal structure of portal crane lose stabilization and the break of main beam is result of losing partial stabilization of main board

    文章提出的界限應力和臨界裂紋對于港口機械的監測提供了理論依據； 3 、運用板的穩定理論，探索了作為薄壁構件的門機金屬結構在失穩破壞中所涉及到的初曲率問題、彈性模量問題、焊接殘余應力問題、彈塑性變形問題以及支承條件問題等，得出了門機金屬結構發生失穩破壞的主要部位為臂架結構，且主臂架的折斷是由於受壓翼板局部失穩引起整體破壞； 4 、探討了焊接對結構承載的影響。
  11. 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。
  12. 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。
  13. Study on coalescence mechanism of splitting failure of rock masses with intermittent joints under compression

    斷續節理巖體劈裂破壞的貫通機理研究
  14. Though this approach is reasonable and robust for that specific design, however, it is time consuming, costly and needs to be repeated for designs when structural component has different stacking sequences or subject to different fatigue loading

    層壓板的疲勞損傷包括纖維斷裂、基體破壞和分層等破壞形式，這些形式的破壞可能同時發生，相互影響，表現出十分復雜的疲勞損傷機理。
  15. Mainly results as follow : ( 1 ) based on fracture mechanics and damage mechanics theory, the mechanism of rock damage and fracture has been analyzed and the rock damage and fracture rules have been put forwarded. based on damage and destroy theory of bedded composite rock, damage principal equation and damage and fracture rules of bedded composite rock have been founded

    論文主要內容和取得的成果如下： （ 1 ）根據斷裂力學和損傷力學理論，分析了巖石損傷斷裂機理，提出了巖石的損傷斷裂準則；以層狀復合巖體損傷破壞理論為基礎，建立了層狀復合巖體損傷本構方程及其破壞斷裂準則。
  16. It is one of mechanisms of plastic distortion, at the same time it is also the beginning of microcosmic damage and rupture before the macroscopical destroying of materials, it representatives a mid - state between materials " macroscopical rupture and bend, it is considered a premonitory that the rupture of polymer material, which get common attention by scholar inside and outside nation. therefore, the research for engineering polymer in mechanic action of non - linearity destroy such as distortion, destroy and depe nd on time and temperature is valuable in theoretic research and actual application, which offer the important theoretic gist for changing complex material ' s capability and actualize polymer ' s perfect application with high quality of capability in engineering

    同時，銀紋化和銀紋損傷是高聚物特有的一種現象，細觀層次的銀紋引發、生長和斷裂在聚合物損傷斷裂的整個過程中起著承前啟后的作用，它是溝通宏、微觀變形機制的橋梁，是材料塑性變形的機制之一，同時又是材料宏觀破壞以前微觀上損傷、破壞的開始，它代表材料微觀斷裂和屈服之間的一個中間狀態，可以看作是聚合物材料宏觀斷裂的先兆，受到國內外學者們的廣泛關注。因此，開展工程聚合物變形、破壞以及時間相依和溫度依賴性等非線性力學行為研究，探討聚合物破壞過程中的非線性力學行為，為聚合物及其復合材料的改性、實現聚合物的工程化與高性能化提供重要的理論依據，具有重要的理論研究意義和實際應用價值。
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