plastic fracture 中文意思是什麼

plastic fracture 解釋
塑性斷口
  • plastic : adj 1 造型的;塑造的;給與形態的。2 可塑的,塑性的,受范的;柔軟的;〈比喻〉溫順的,肯聽話的。3 ...
  • 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. Method of elastic - plastic fracture toughness jic testing for metallic materials in liquid helium

    液氦中金屬材料的彈塑性斷裂韌度的jic測試方法
  2. Improvement of the nasal ventilation function of chronic rhinitis patients treated by plastic operation of inferior turbinal and fracture transposition

    下鼻甲成形術與骨折穢位術改善慢性鼻炎鼻通氣功能
  3. Conclusion : the four approaches used in orbital - maxillary - zygoma complex fracture can result in satisfactory plastic effect and functional recovery

    結論採取這四種手術進路治療眶上頜顴骨復合骨折,可以得到良好的整復效果和功能恢復。
  4. It is found that the electric, field improves elongations in 2090 and 2090 + ce alloys markedly, especially in 2090 alloy, but has little effect on strengths. at the same time, the electric field lessenes percentages of intergranular delamination and increases transgranular fracture and microscopic plastic deformation. besides, the electric field makes both average particle size and its distributing range of 8 " phase smaller, and reduces the half width of pfz in aged alloys

    研究表明:固溶電場可顯著提高2090合金及2090 + ce合金的延伸率,尤其是對2090合金,但對強度則無明顯的影響;同時,固溶電場減少合金的沿晶分層斷裂比例,並增加穿晶斷裂及微區塑性變形;固溶電場還使合金時效后相顆粒的平均尺寸減小、尺寸分佈范圍減小,並使pfz的寬度減小。
  5. Ctod ( crack tip opening displacement ) and j - integral are two important parameters in elastic - plastic fracture mechanics

    Ctod ( cracktipopeningdisplacement )和j積分是彈塑性斷裂力學研究方法中的兩個重要參數。
  6. 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。
  7. The present study, ( d by using immunohistochemical single, double or triple staining method, showed the expression, relationship and distribution pattern of fos - protein, gfap or th in rat cns, investigated the plastic response and relationship of rat lumbar spinal cord as and neurons to pain induced by the unilateral tibia and fibula fracture ; ( 2 ) by using a double immuno - electron - microscopic method, investigated the ultrastructural characters of junction areas between neurons and as in the dorsal horn of rat lumbar spinal cord following the unilateral tibia and fibula fracture ; ? after intrathecal application of the carbenoxolone, a gap junction blocker, recorded the paw withdrawal thermal latency and compared with control

    在腦干gfap - li星形膠質細胞主要分佈於mvz內的孤束核( nts ) 、腹外側延髓( vlm )以第四軍醫大學博士學位論文及兩者之間的中間帶( irt )上。三叉神經脊束核尾側亞核( vc ) 、外側楔柬核( ecu ) 、藍斑( lc ) 、臂旁外側核( lp ) 、中縫大核( rmg ) 、中腦導水管周圍灰質腹外側區( vipag ) 、中縫背核( dr )等部位也出現一定數量的gfap陽性細胞。 f 。
  8. It is developed from large - scale objective model experiment to reduced scale model experiment ; from simple mechanics device to various advanced detecting device ; and the theory is developed from elastic mechanics, plastic mechanics to fracture mechanics and damage mechanics. the study of concrete fracture has also developed from macro - level to meso - level

    從大型的實物模型試驗,到各種縮尺模型試驗;從簡單的力學儀器,到各種先進探測儀器的使用;理論上也由彈性力學、塑性力學發展到了斷裂力學、損傷力學等,對混凝土斷裂問題的研究,更是由宏觀領域進入了細觀層次。
  9. Fibre - reinforced plastic composites - determination of mode i interlaminar fracture toughness, gic, for unidirectionally reinforced materials

    纖維增強塑料復合材料.無方向性增強材料的模式i層間斷裂韌性, gdownidownc ,的測定
  10. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,得到了含多裂紋有限大板在任意載荷作用下應力場的級數解,並應用斷裂力學方法確定裂紋尖端的應力強度因子;引入當量屈服應力考慮裂尖塑性區的影響,提出基於帶屈服準則的剩餘強度分析模型,能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響;通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律,得到了一系列對工程應用具有實用價值的結論。
  11. The fracture of ct20 alloy was of plastic dimples character at rt, while some holes and cleavage appeared at 20k, showing some brittle feature

    Ct20合金室溫拉伸斷口以塑性韌窩為主要特徵, 20k拉伸時斷口上出現了一些孔洞和解理臺階,表現出一定的低溫脆斷特徵。
  12. Test method for plane - strain fracture toughness and strain energy release rate of plastic materials

    塑料平面應變裂縫強度和應變能量釋放速率測試方法
  13. They might form the n - asc to react to various stimuli together as the functional unit ; ? he biological plastic response of as was earlier than that of the neurons, and their distribution pattern was similar in the spinal cord, the brainstem and the forebrain after the unilateral tibia and fibula fracture

    這表明eda的信息傳導是單方向。結論脊髓和腦內as對非病理性疼痛起反應,且具有明確的機能定位特點。在外周組織損傷導致疼痛條件下, as的生化學可塑性反應早於神經元。
  14. In this dissertation, the effect of texture, heat - treatment, and hydrogen on the lcf behavior of zircaloy - 4 and the cyclic deformation behavior for zircaloy - 4, n18 alloy and n36 alloy have been investigated systematically using fully - reversed tension - compression loading under strain control ( r = min / max = - 1 ), while the evolvement of the friction and back stresses versus the number of repeated working cycles and the plastic strain amplitude has been studied, and the thorough discussion combined with the analysis result of fatigue sub - structure, friction and back stresses, and fatigue fracture has been given to the mechanism underlying the lcf behavior of alloys

    本文採用對稱拉壓循環變形方法( r _ = _ ( min ) _ ( max ) = - 1 ) ,系統研究了織構、熱處理狀態、氫對zr - 4合金低周疲勞性能的影響, zr - 4合金、 n18合金和n36合金的循環變形行為,並研究了摩擦應力、背應力隨循環周次、塑性應變幅的變化規律。結合疲勞亞結構和疲勞斷口的分析結果,深入探討了影響合金低周疲勞行為的作用機制。
  15. Another is shear - model fracture which is thought that it is associated with dislocation motion ( shear + rotation ) of crystal at microlevel, fragmentation of solid at mesoscale level and large plastic strains at the macroscopic level

    剪切型斷裂在微觀上與晶粒內或晶粒間的滑移和位錯有關,細觀上與集中變形帶中的微剪切面集中有關,宏觀上則與結構內的集中剪切帶有關。
  16. In short, the analysis of arc - tip fracture shows that : the initiation of void - mode fracture can be judged by vgc criterion, or by j ". according to sx criterion ; fracture direction of void - mode fracture can be determined by ctod and peak value line of stress triaxiality. the mesomechanics mechanism of shear - mode fracture need further study, and analysis found direction of plastic belt is consistent with the direction of shear - mode fracture

    綜上所述,本文通過對圓弧尖端裂紋的分析表明:對于韌窩型斷裂的起裂,可以依據-復合型斷裂的sx準則按照i ~ 1來預測起裂載荷,也可用v _ ( gc )判據來預測起裂載荷,二者結果相近;對于韌窩型斷裂的斷裂角,用ctod矢量方向和三軸度脊線方向判斷均和試驗結果基本。
  17. Under the tensile stress, the fracture mode of za27 alloyed with si or mn is a mix type fracture - the plastic fracture and the brittle fracture are coexistence. cracks are mainly stemmed from brittle phases of si and mn and develop along the grain boundary

    適宜的加錳量為0 . 4 - 0 . 8 ;在拉伸應力作用下加入si或mn后的za27 ,合金的斷裂均為混合型斷裂,既有塑性斷裂,也有脆性斷裂。
  18. Elastic - plastic fracture mecha - nics, epfm

    彈塑性斷裂力學
  19. Elastic plastic fracture

    彈塑性斷裂
  20. Influence of characteristic measures about elastic - plastic fracture for damage at crack tip

    裂尖損傷對彈塑性斷裂特徵量的影響
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