brittle failure 中文意思是什麼

brittle failure 解釋
脆斷
  • brittle : adj 1 易碎的,脆的;脆弱的;易損壞的。2 虛幻的,靠不住的。3 (聲音等)尖利的;容易生氣的。4 (態...
  • failure : n 1 失敗 (opp success); 不及格。2 不足,缺乏;衰退;【醫學】衰竭。3 不履行,玩忽。4 破產,倒閉...
  1. A cusp catastrophe model of unstable failure process of quasi - brittle materials

    準脆性材料破裂過程失穩的尖點突變模型
  2. Keywords : fractography, brittle material, failure mode, model rock

    關鍵詞:裂形學、脆性材料、破裂模式、人工巖石。
  3. : 36 < kth < 37 mpa / m3 / 2, 42 < kih < 44mpa / m3 / 2, 51 < kc < 52 mpa / m3 / 2 through the sem fractography, it is know that the susceptibility to brittle failure at room temperature is more than below 100 ?. and the susceptibility to brittle failure increase with hydrogen increasing, under the sustained loading, ductile cracking appears. the quantity of brittle cracking is more with crack growth

    T44mpa m 『 q , sl lt52mpa in 』 」斷口分析表明,該合金充氫后其室溫時的氫脆敏感性大於100oc時的氫脆敏感性;且隨氫含量升高,氫脆敏感性增加:在恆載荷的作用下,該合金裂二紋開始擴展時顯示的是韌性起裂;隨裂紋增長,試樣脆性斷裂的比例增大。
  4. When all the gold does not dissolve in the solder brittle failure occurs near the goldsolder interface.

    當所有的金不能完全溶解在焊鉤中時,就會在金與鉤的界面附近發生脆性破壞。
  5. 3 the dog - bone moment connections are considered having excellent performance for seismic resistance in steel frame and can avoid the brittle failure happening to the connections effectively

    3狗骨式剛性連接是一種旨在改善樑柱連接變形性能,避免脆性破壞發生的有效連接形式。
  6. 2 the dog - bone moment connections are considered having excellent performance for seismic resistance in steel frame and can avoid the brittle failure happening to the connections effectively

    2研究表明,狗骨式剛性連接是一種旨在改善樑柱連接變形性能,避免脆性破壞發生的有效連接形式。
  7. It is proved that the connection and steel frame with beam flange dog - bone reduced have superior behavior to the frame of conventional design and the brittle failure is avoided in the steel frame. and conditions of stress development in the dog - bone, and the reason of the brittle failure in the rigid connections is obtained

    了解了狗骨處應力發展狀況;探討了剛性連接發生脆性破壞的原因;並強調指出樑柱連接處焊縫的焊接質量,對能否發揮狗骨式削弱的作用,達到預期的設計目的是至關重要的,必須予以重視。
  8. Abstract : based on the data obtained from field observations and deformation monitoring, this paper deals with the deformation and failure of a double - decked slope composed of soft rock strata in its lower part and hard - brittle rock strata in its upper part. it is demonstrated that the deformation of this kind of slopes is always initiated by the non - homogeneous rheological compression of the lower soft rock strata, leading to the tension fracture and toppling of the upper hard rock strata, and at last the sliding of the whole deformed body will be caused by the shear failure along the stress - concentration zone in the lower soft rock mass under the actions of the gravitational loading and infiltration water

    文摘:以現場考察和變形監測資料為依據,探討一個下部有軟弱基座,上部為硬脆性坡體的「二元結構」邊坡的變形破壞問題,揭示這類邊坡的變形總是以下部軟弱巖體的不均勻壓縮流變為先導,進而引起上部硬脆性坡體的拉裂與傾倒,最終通過滲入水的作用,使下部承載狀況已進一步惡化了的軟弱巖體,沿剪應力集中帶發生剪切破壞而導致整個變形坡體的下滑。
  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. Failure or even collapse of bridge structures in past earthquakes were largely. in particular, shear failure of short bridge pier columns is the most dangerous failure pattern due to the brittle nature. consequently, it is quite meaningful to study the seismic resistance performance and retrofitting for reducing bridge damages and losses

    從已建橋梁在歷次地震中破壞的共同特點可以看出:現代混凝土橋梁結構中,因鋼筋混凝土橋墩破壞導致橋梁嚴重破壞甚至倒塌,已成為橋梁震害的主要特點,特別是橋梁短柱的破壞尤為嚴重,而脆性剪切破壞是鋼筋混凝土短柱最為危險的破壞方式之一。
  11. In response to the limitation of conventional index for stability and optimal design of underground rockmass engineering with high geostress and the drawbacks of conventional energy release rate ( err ) rockburst index based on linear elastic theory without brittle failure phenomenon, local energy release rate ( lerr ), a new rockburst index is proposed

    摘要針對地下工程穩定性分析與優化的常規指標在高地應力條件下的局限性及傳統的能量釋放率巖爆指標把巖體看成不發生脆性破壞線彈性體的不足,提出局部能量釋放率新指標。
  12. However, this newly arisen method is associated with brittle debonding failure modes - flexural strength of the compound beams without omen cannot reach that under ductile failure modes, even that of unreinforced members

    然而,這個新興的技術卻時常受到粘結破壞的困擾? ?沒有破壞徵兆,而且不能達到適筋破壞梁的承載力,甚至低於未加固梁的承載力。
  13. The maximal power outputs of 37. 0 mw / cm2 and 30. 0 mw / cm2 for the p - and n - type laminated materials respectively at the temperature difference 490 have been experimentally obtained, which are about 2. 5 and 3. 0 times those of - fesi2. chemical analyses show that the interface failure between the bridge alloy and the semiconductor bi2te3 results mainly from the eutectic mixtures with low melting point and brittle compounds formed during welding and long time annealing at 190. it is found that the electrical properties of a laminated structure are mainly controlled by the wettability of the bridge alloy on the semiconductor surface

    發現: 1 )疊層材料具有明顯優于均質材料的熱電性能,在490溫差下, p -型和n -型疊層材料的最大輸出功率分別達到37 . 0和30 . 0 ( mw / cm ~ 2 ) ,是同類型均質- fesi _ 2的2 . 5和3倍; 2 )在焊接過程和190長時間退火處理過程中,焊接過渡層合金和基體半導體(特別是bi _ 2te _ 3 )之間存在明顯的元素相互擴散,從而在過渡層中形成一些低熔點共晶體和脆性化合物,這是導致疊層材料破壞的主要原因; 3 )焊接過渡層合金與半導體基體之間的潤濕性是影響界面層電性能的主要因素。
  14. A study on hole size effects and failure mode of brittle materials containing multiple holes

    脆性基多孔材料孔洞的尺寸效應及其破壞模式研究
  15. Lerr is obtained through tracing the variety of elastic energy density of each element and recording the maximal fluctuation when brittle failure happens during numerical calculation

    該指標的實現是通過在數值計算中追蹤每個單元彈性能量密度變化的全過程,記錄單元發生脆性破壞前後的彈性能密度差值,得到單位體積巖體突然釋放的彈性能量。
  16. Numerical simulation of rock progressive failure on samples with a pre - existed weak zone during brittle failure

    含預制軟弱帶的巖石破裂過程的數值模擬
  17. Rolling bearing is the brittle part of a machine, a lot of mechanical failure is relevant to the state of rolling bearing

    滾動軸承是機器中的易損零件,許多機械的故障都與滾動軸承的狀態有關。
  18. The estimation for failure probability of brittle fracture structure

    含裂結構脆性斷裂的失效概率計算
  19. When the failure taking place, the strength of steel plates has not been fully used, it belongs to brittle failure and must be overcome with reasonably measure

    破壞發生時,鋼板的受拉強度未得到充分利用,屬脆性破壞,必須採取合理的錨固措施予以克服。
  20. 4 pseudo - static force testing of 1 : 2 scale models including three steel frame two with semi - rigid connection and one with dog - bone connection are first carried out in china in order to obtain elastic - plastic behavior of semi - rigid connections and dog - bone connections steel frames under cyclic loading as well as to analyze collapse characteristic and the coming order of plastic hinges of the structure with different connections after structural ultimate strength has lost and conditions of stress development in the dog - bone, and the reason of the brittle failure in the rigid connections is obtained

    同時探討了連接形式對鋼框架性能的影響。 4進行了兩榀半剛性連接和一榀狗骨式連接平面鋼框架結構的擬靜力試驗。通過試驗考察了半剛性連接和狗骨式連接平面鋼框架結構在循環荷載作用下的彈塑性性能;了解了不同連接形式的結構在達到極限承載力后的破壞形態和塑性鉸出現的順序。
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