plastic deformation 中文意思是什麼

plastic deformation 解釋
地基應力和變形塑性變形
  • 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 ...
  • deformation : 變形,走樣
  1. Based on the studies of petrotexture, structural deformation and the relevant metamorphism, this paper indicates that this peridotite massif is the product of ultramafic magma cumulated at the crust - mantle transtion zone and has undergone the early stage of plastic deformation under the condition of granulite facies ( 800 ) and late ductile shearing at amphibolite and greenschist facies in relevance to uplifting

    本文通過巖體的結構、構造變形及相應的變質作用研究,提出了該橄欖巖體是由超基性巖漿在殼幔過渡帶結晶而成,並經歷了與圍巖一致的麻粒巖相( 800 )條件下的早期塑性變形以及角閃巖相和綠片巖相退化變質條件下與逆沖上升有關的韌性剪切變形。
  2. Severe plastic deformation ( spd ) processing, especially equal - channel angular processing ( ecap ) of steel and other iron - based alloys, has achieved increasing interest recently because of the potential for obtaining ultrafine grains and improving the properties

    近年來,強烈塑性變形特別是鋼和鐵基合金的等徑彎曲通道變形因為具有獲得超細晶組織和改善性能的潛力,引起了各國研究人員的很大興趣。
  3. 3. on the present deformation condition, the cementite in pearlitic steel has more severe plastic deformation capability t - he max shear strain up to 1. 9. 4

    C方式ecap變形條件使珠光體鋼65mn中的滲碳體可以表現出很強的塑性變形能力? ?觀察到的最大切變形達到1 . 9的等效真應變。
  4. In order to use structure ' s ability of elastic - plastic deformation to consume the earthquake energy, decrease the reaction in the earthquake, ferroconcrete frame structure should be designed into ductile one

    為了利用結構的彈塑性變形能力耗散地震能量,減輕地震作用下結構的反應,應將鋼筋混凝土框架結構設計成延性框架結構。
  5. It is assumed that the plastic deformation is incompressible.

    它假定塑形變形是不可壓縮的。
  6. Study on plastic deformation resistance of sn - pb - re solder

    釬料的塑性變形抗力研究
  7. Plastic deformation and creep are highly undesirable, resilience is favourable.

    塑性形變和蠕變是很不利的,回彈性則是有利的。
  8. The content of this thesis, through the deformation destruction process of th e typical nanlidu landslide along the national highway 318, uses the finite unit a nalysis of computation, revealing the elastic, plastic stress and displacement of each joint inside the slide area pointing out the distribution range of the tension stress and the plastic deformation range, computering the stability safety factor of the slide area, gaining the fixed quantity, quota that evaluates the stability of the slide area, revealing the position of the slide area which is most likely to los e its stability, thus, it can provide theoretic proof for the programs which renova te landslides

    本文的研究內容是通過318國道南里渡典型滑坡的變形破壞過程,採用有限元計算分析,揭示滑體內部每個節點上的彈、塑性應力及位移,找出拉應力分佈區和塑性變形區,計算滑體穩定安全系數,得出衡量滑體穩定的定量指標,揭示滑體最可能失穩的部位,從而為滑坡整治方案提供理論依據。
  9. This paper demonstrates ultimate stress increment of unbonded tendons can be composed of approximate elastic deformation along the elements and local plastic deformation by nonlinear analysis on the unbonded partially prestressed concrete continuous structures. referring to the rule of ultimate stress increment of unbonded tendons at every load case, a regression formula of ultimate stress increment of unbonded tendons based on elastic - perfectly plastic model has been presented for engineers to calculate ultimate stresses of unbonded tendons in prestressed concrete multi - span continuous structures

    考慮在各種荷載工況作用下無粘結筋極限應力增量的變化規律,並與理想的彈塑性模型相比較,最終得出以理想彈塑性模型計算各種荷載工況作用下無粘結筋極限應力增量的回歸公式,從而為預應力混凝土多跨連續結構的無粘結筋應力設計計算提供有益的參考。
  10. The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter

    本文首先從梁極限狀態下的變形入手,將塑性鉸區看作純彎段,將塑性鉸以外的區域看作剛體,按照體外預應力筋的形狀不同,分工程中最常見的三種體外結構形式,即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁,研究體外預應力筋變形和梁體的變形間的關系,推導出以極限狀態下塑性鉸區之半對應的轉角為參數的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增量計算公式,並進一步求得梁的極限承載力。
  11. According to the complication of cyclic loading the aeolotropism and bauschinger effect resulted form plastic deformation were reflected by the kinematic hardening model, the transient stress - strain relation was described by jhansale model in the iterative formulas

    在迭代格式中,針對復雜的交變載荷,採用運動強化模型,反映了塑性變形引起的各向異性和包辛格效應,運用jhansale模型描述材料的瞬態應力應變關系。
  12. 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。
  13. For the sake of realizing the structural lightweighting design on ball cage patterned constant speed universal joint, taking the maximum contact stress of ball cage patterned constant speed universal joint, overall contacting deformation and plastic deformation as foundations, a preliminary study was carried out respectively on two kinds of ball cage patterned constant speed universal joints with their number of balls as 6 and 8

    摘要為了實現球籠式等速萬向節的結構輕量化設計,以球籠式等速萬向節最大接觸應力、接觸總變形和塑性變形為依據,分別對鋼球數量為6和8的兩種結構的球籠式等速萬向節進行了初步研究。
  14. The results show that the process of concrete sawing with diamond tools is that the impact of diamond sawblade induces the rupture and break of concrete surface layer during high speed sawing ; cement and carpolite become micro chips by the cutting of diamond grits ; steel fiber and steel wire are broken by plastic deformation or pulled out by forces

    結果表明:金剛石鋸片鋸切混凝土的過程表現為高速據切過程中金剛石據片的沖擊引起混凝土表層斷裂破碎,水泥石子等在切削區內層受到金剛石磨粒的微切削作用形成粉屑,以及鋼纖維和鋼絲發生金屬塑性變形斷裂或被拔拉而斷裂的過程。
  15. The first stage is primary slip then followed by secondary slip ; the last stage is due to dislocation passing the slips. the cyclic stress strain ( css ) curve exhibits a stronger hardening occurred in cyclic plastic deformation than that in tensile test

    建立了拉伸和應變疲勞的有限元模型,使用基於晶體滑移模型的數值方法,對晶體內部滑移系的啟動以及滑移繫上的分解切應變、切應力這些無法試驗觀測的變量進行計算,分析它們對晶體塑性變形的不同影響。
  16. 0 x 10 " 3 and 264. 6mpa respectively. 6. the damping mechanism at ambient temperature is related to viscous motion of dislocation and interactions between dislocation with various point defects, the viscous sliding between the phase with rich zn and primary a dendrite crystals and the micro - plastic deformation of the soft phase in the eutectic

    6 ) azsm合金的室溫阻尼行為與組織中的溶質原子和位錯的交互作用以及位錯的粘性運動、富鋅相與基體之間的粘性滑移、以及共晶體中較軟相的西安理工大學碩士學位論文微塑性變形有關。
  17. A void growth equation is derived for elastic - plastic deformation process by means of representative volume element ( rve )

    摘要採用體胞模型的分析方法推導了材料在彈塑性變形階段的孔洞增長方程。
  18. A structured clay in this model is regarded as an assembly of lumps of different sizes, and it is assumed that the total deformation consists of 3 parts, i. e. elastic deformation of lumps, plastic deformation due to sliding between lumps and irrecoverable deformation due to crushing of lumps

    這一模型把變形過程中的結構性土看作不同大小土塊的集合體,總的變形將由土塊的彈性變形、土塊之間滑動引起的塑性變形和土塊破碎引起的損傷變形三部分組成。
  19. Tensile test and cyclic strain test of copper single crystal were performed. there are three stages in the plastic deformation

    觀測到銅單晶在拉伸變形過程中的三個階段,得到了循環應力應變曲線。
  20. Results showed that the ductility of bolt spjice is much better than welds, weaker splice joints develop larger plastic deformation, slipping between faying surfaces, bearing of bolts to hole surfaces and buckling of splicing plates are all ideal energy dissipation mechanism

    試驗結果表明:螺栓拼接節點的延性遠好於樑柱焊縫連接;較弱的拼接節點產生較大的塑性變形;接觸面的滑移、螺栓與孔壁的擠壓和翼緣拼接板的屈曲都具有良好的耗能能力。
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