plastic fatigue 中文意思是什麼
plastic fatigue
解釋
塑性疲勞-
It can be seen from the results that the control beam had good plastic property in the static failure experiment after two million fatigue loading circles. all specimens with corroded main bars were failure under the fatigue loads within one million fatigue circles. fatigue lifespan of reinforced concrete beam was sharply shortened after main bars corroded in it and the beam was destroyed bristly without any prediction
試驗結果表明，振動測試不能夠對銹蝕鋼筋混凝土梁的疲勞破壞做出可靠的預測;對比梁在經過200萬次疲勞循環加載后的靜力試驗中仍表現出良好的延性破壞特徵;銹蝕梁在100萬次疲勞循環內均因主筋疲勞斷裂而破壞;主筋銹蝕使得梁的疲勞壽命急劇縮短;梁發生脆性破壞而沒有徵兆。 -
For the top - and - seat angle connections considered in the paper, the large fatigue based plastic rotation capacity can be achieved
對于本文中所研究的頂底角鋼連接而言，可以取得較大的塑性轉角。 -
Fiber reinforced plastic rebar ( frp ) is a new composite, which is composed of fiber acting as reinforced material, synthetic resin acting as matrix, and some adequate auxiliaries, and is formed through a pultrusion process and necessary surface process. it has a high strength to weight ratio, excellent non - corrosive characteristic, fatigue - resistant characteristic, strong designability and magnetic neutrality, so it can be used in the applications with special performance requirements or where reinforcing bars are subjected to severe chemical attack
纖維增強塑料筋是以纖維為增強材料，以合成樹脂為基體材料，並摻入適量輔助劑，經拉擠成型技術和必要的表面處理所形成的一種新型復合材料，具有比強度高、耐腐蝕性能好、可設計性強、抗疲勞性能好、耐電磁等獨特優點。 -
Rheometer 、 mooney viscometer 、 carbon black dispersion tester 、 tensile strength tester 、 ozone test chamfer 、 plunger / bead unseating tester 、 dynamic testing systems 、 heat generation & flexing fatigue tester, and other rubber and plastic testing instruments
硫化儀、門尼粘度儀、拉力試驗機、外胎強度/胎唇脫圈阻力試驗機、耐臭氧試驗機、疲勞變形發熱試驗機、動態測試分析儀、碳黑分散度儀…等各種橡塑料測試儀器。 -
The paper validates and perfects the traditional wear theory by using the ferrography, at the same time, combining the practice, mechanical embedded minor particles, scoring, plastic distortion, shaping effect and fatigue effect are analyzed and the results show that the vehicle ' s malfunction can be predicted
文章作者將鐵譜磨粒分析技術運用在汽車維修行業，驗證和完善了傳統磨損理論，並結合實踐，對微凸體機械嵌合、膠合，塑料變形及刨削作用和疲勞作用進行了分析，證明汽車機械故障可以預測，且可以防止重大事故的發生。 -
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。 -
The microscopic plastic deformation of the local crazes cause the change of crack opening loads. therefore, the fatigue crack closure concept could be introduced. a crack closure model of mdyb - 3 pmma were recommended and phenomenologically formulated for positive and negative stress ratios separately, according to the testing results of fatigue crack propagation
本文討論了有機玻璃疲勞裂紋擴展機理，提出，銀紋的形成是裂紋形成和擴展的基礎，從微觀上解釋了裂紋形成和擴展的原因，並結合金相分析結果，明確提出塑變誘導閉合和粗糙誘導閉合是有機玻璃疲勞裂紋面閉合的兩個主要原因，成功的解析了裂紋面的閉合現象。 -
Multiaxial low cycle fatigue life prediction model based on plastic energy
基於塑性應變能的多軸低周疲勞壽命預測模型 -
Investigations showed that one of the most important characteristics of pearlitic materials is the decrease of ratcheting rate, the plastic shakedown capability, and the memory and recovery of the accumulated plastic strain under asymmetrical stress cycles. it was found that the interaction between phases plays an important role in the mechanical behavior of pearlitic materials, such as wearability and contact fatigue life
珠光體材料的重要特性之一是在非對稱應力循環下循環蠕變速率的減緩並趨于塑性安定以及材料對循環蠕變史的記憶與恢復；同時珠光體材料的宏觀力學性能與其細觀結構密切相關，在很大程度上取決于珠光體材料的微結構及其相互作用。 -
Based on the fatigue test for flexural performance of reinforced concrete beam strengthened with aramid fiber reinforced plastic ( afrp ), the effect of fiber layers on the fatigue test performance of the strengthened beam was analyzed according to the strain cycling curve of steel and the stiffness reduction regularity of the beams
摘要通過芳綸纖維加固鋼筋混凝土梁的疲勞試驗，得到了鋼筋的應變滯回曲線和加固構件的抗彎剛度隨循環次數衰減的規律，探討了芳綸纖維布層數對加固構件疲勞性能的影響。 -
The study on high - temperature low - cycle fatigue life and fatigue crack propagation life under multi - axial stress state shows that the fatigue life and fatigue crack propagation life can be characterized by the equivalent plastic strain range p, the equivalent creep strain range c and the equivalent strain range, and do n ' t exit notch dependency, non - notch - dependency equations being given in the paper
） _ c和當量應變范圍（ ? ）進行多維應力狀態高溫低周疲勞總壽命及裂紋擴展壽命評價是可行的，且不存在缺口依存性。並給出無缺口依存性的疲勞總壽命評價方程。 -
And finally, sem has been used to characterize the fracture. the results indicate that the relationship between the fatigue lifetime and cyclic plastic strain range obeys coffm - manson relation, and the relation between the hysteresis energy ( wn ) and the plastic strain range ( p ) can be described by a power - law : wh = h pw
但在室溫下， r向及t向試樣具有相同的循環特性，均表現為隨應變幅的不同而不同，當應變幅高於0 . 8時，呈現出先循環硬化而後循環軟化直至最後斷裂的現象。 -
In practical application, it is subjected to local plastic strain cycles due to the power fluctuations during reactor operation ; extremely, this power fluctuations could lead fatigue failure
在反應堆運行過程中，堆功率的波動和水冷卻介質的流動會導致燃料元件包殼局部承受反復的循環變形，極端情況下會導致疲勞失效。 -
The strain - fatigue - life of materials is related to the plastic strain at the crack - tip
摘要材料的應變疲勞壽命與裂端的塑性應變有關。
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