熱形變 的英文怎麼說
中文拼音 [rèxíngbiàn]
熱形變
英文
hot deformation-
The globalization course was that the preformed texture recrystallized and became the granular equiaxed grain, when the temperature rose and the holding time prolonged, the granular grain melted at some area and at the liquid - solid interface the grain globalized at the role of the curvature overheated
過程機制為:擠壓形變組織在加熱過程中首先發生再結晶長大變為顆粒狀等軸晶;隨溫度升高和保溫時間延長,等軸晶發生局部熔化,液固界面的曲率過熱使晶粒外形向球狀轉變。Plastics. determination of heat deformation. martens test
塑料製品.熱形變的測定.馬丁試驗Abstract : thermally induced stress and the relevant warpage cause by inappropriate mold design and processing conditions are problems that confounded the overall success of injection molding. a thermorheologically simple thermoviscoelastic two - dimension material model is used to simulate the residual stress and warpage within injection molded parts generated during the cooling stage of the injection molding cycle. the initial temperature field corresponds to the end of the filling stage. the fully time - dependent algorithm is based on the calculation of the elastic response at every time step. numerical results are discussed with respect to temperature and pressure
文摘:不均勻的熱殘余應力及其變形是注塑成型加工中常見的工程問題之一.應用熱流變簡單材料的二維熱粘彈本構方程得到的遞推公式,數值模擬了成型中的熱殘余應力及其翹曲變形,並用數值實驗討論了溫度、壓力對注塑件殘余應力及變形的影響,發現溫度變化不均勻是注塑件翹曲變形的最主要原因,其影響遠大於壓力的作用,與工程實驗的結論一致By means of fs - ir absorption spectra, combined quality of c60 and carrier material and existence conformation of c60 are analysesed ; the principle that c60 influence thermo - optic effect of pmma is discussed by result of thermo - optic effect experiment. nonlocalized interference theory is deduced from nonlocalized interference definition, and the experiment of nonlocalized interference influenced by thermo - optic effect of c60 doped polymer film is performed. the research show that c60 doped pmma is physical blend, do not influence their form
實驗中採用pmma (聚甲基丙烯酸甲酯)作為摻雜載體材料,通過傅立葉紅外光譜技術,對c _ ( 60 )與摻雜材料的結合性能及其存在形態進行了分析;由熱光特性實驗結果探討了c _ ( 60 )對有機材料pmma熱折變影響的機理;根據不定位干涉定義對其進行了理論推導,並做了摻c _ ( 60 )有機薄膜熱光特性對不定位干涉作用的實驗。Combined with the practical situiation in distribution network, it ' s suitable to select graph algorithm as the theoretical algorithm base. based on structure variable dissipated network theory, this thesis detailedly discusses the transforms of base - to - shape, shape - to - base, vertex - to - arc, arc - to - vertex, over - heated arc dectection, load allotting, load balancing and optimum restoration
本論文基於變結構耗散網路理論,詳細討論了基形變換、形基變換、點弧變換、弧點變換、過熱弧搜尋、負荷分配、負荷均衡化以及優化恢復非故障停電區域供電等一系列與饋線自動化功能相關的處理演算法。A uniaxial hot - pressing test and a physical modeling simulation are performed to investigate the orientational alignment of crystals, and a new attempt to strengthen mica glass - ceramics is made
摘要利用單軸熱壓變形物理模型進行實驗類比,對強化雲母微晶玻璃的新途徑晶體定向排列進行了研究。Rectangular bars of wrought nickel and nickel alloys, hot rolled ; dimensions, tolerances, static values
熱軋變形鎳和鎳合金矩形棒材.尺寸允許偏差靜態值It is shown that the high hardness and low thermal conductivity promote the formation of transformed asbs, and the deformed asbs will form if low hardness and high thermal conductivity are involved ; for steel with both high hardness and thermal conductivity, the transformed asbs will transform into deformed ones, due to that the fast heat conduction from high temperature asbs results in rapid temperature rise around and thus decreasing the hardness
研究結果表明:鋼的高硬度和低熱導率有利於形成相變帶;反之,則傾向于形成變帶;對于具有高硬度和高熱導率的鋼,由於高溫相變帶區域的熱量迅速傳遞到周圍的基體組織而使其溫度升高、硬度降底,形成的相變帶會向形變帶轉化。It is a sensitive photothermal methods and widely used in the thin film characterizations not only for its high precision but also for the ability to get the fu - ll distribution of the surface deformation
由於它既保持了光熱偏轉技術高靈敏性、高精度和非接觸的優點,又能獲得完整的表面形變的分佈,因而得到廣泛的應用。Square rods of wrought nickel and nickel alloys, hot rolled ; dimensions, tolerances
熱軋變形鎳和鎳塑性合金方棒材.尺寸偏差Through the test of the four prestressed steel wires at elevated temperature around the range of 20 to 800, the thermal strain of the four prestressed steel wires under stress is studied, the main reasons of the thermal strain are analyzed, and the computation equations are listed
摘要通過對4種常用的預應力鋼絲在高溫下的試驗,研究了4種預應力鋼絲在不同應力水平下,在20 ~ 800范圍內的變形性能,並分析了熱應變產生的主要因素,給出了相應的計算公式。In the second part, considering the depress of the stiffness of concrete caused by its transient thermal strain under fire, the current formulas can be conducted, and then the formulas to calculate the internal force and deformation of rc frame under fire can be conducted by structure mechanics
( 2 )受火構件等效成常溫構件后,再對火災高溫下混凝土瞬態熱應變導致的軸向剛度降低進行修正,推導了受火樑柱的剛度降低修正計算公式,基於結構力學矩陣分析法推導了受火構件的溫度內力和變形計算公式。The three - dimensional profile of the temperature rise, the radial profile of the surface deformation and the diffraction signal of the probe beam obtained with both top - hat and gaussian beam excitations are compared by numerical calculations
求解對應的熱彈方程,得到表面形變場分佈。 2 .通過數值模擬,比較了平頂光束和高斯光束激勵下樣品內部溫度場、表面形變場和探測光衍射信號的徑向分佈。Property improvements of thermal - deformation resistance of polyurethane elastomers
聚氨酯彈性體耐熱形變性能的改善It was found that the interfacial bonding of 93w - ofc was both the joining action of ofc / w grains and that of ofc / ni - fe binders, whereas the joining of ofc to tc4 could be seen as the mutual intense diffusion effect between ofc / tc4 and as a result cu - ti intermetallic compounds were formed at the joint. the joining of tc4 - a1 and a1 - mb2 were also attributed to the result of diffusion between elements ti - al and al - mg respectively. on the other hand, residual thermal stress and stress - induced distortion were produced at the joint simultaneously due to the difference in thermal expansion coefficient of different welding " materials
研究表明, 93w與ofc的界面連接是ofc與93w中w晶粒的連接以及ofc與93w中ni - fe粘接劑的連接共同作用的結果; ofc與tc _ 4連接界面的形成是由於ofc與tc _ 4之間發生反應擴散,並由此在二者接頭處生成了cu - ti金屬間化合物的中間相; tc _ 4 - al的連接與al - mb _ 2的連接則分別是其基體元素ti 、 al之間和al 、 mg之間元素互擴散的結果,另外,由於熱膨脹系數的差異,擴散焊接后在不同焊件的接頭處存在殘余熱應力並由此引起接頭的形變。The effect of plastic deformation and elastic strain energy induced by pre - strain on the nucleation of martensitic transformation of low alloy ultra - strength steel sosimncrmov had been studied by pre - strain quenching in austenite state. the control over deformation magnitude and deformation temperate as well as loading pattern was performed to adjust the storage of elastic strain energy in steel before martensitic transformation, using the type of geeble - 1500 thermal analogue test machine
使用gleeble - 1500型熱模擬機,對低合金超高強度鋼30simncrmov實施奧氏體預應變淬火處理,通過控制形變量、形變溫度和加載方式,調整鋼中馬氏體相變前的彈性應變能儲備,研究了預應變所造成的塑性變形與彈性應變能對馬氏體相變的影響。Thermomechanical treatment ( solution - cold - drawing - aging ) can increase alloys " strength greatly. the alloy in aging after cold - drawing was influenced by the interaction of precipitation and recrystauization. the precipitates not anly can strengthen the matrix but also can restrain recrystauization
形變熱處理(固溶?冷拉?時效)工藝可大大提高合金時效后的最終強度,時效后形變熱處理對電阻率影響很小。The calculating formulas of central wavelength drift based on thin film microstructure and thermal - stress deformation are deduced, the drift of dwdm filter 15 calculated with these formulas
論文還討論了波分復用濾光片的溫度穩定性問題。推導了薄膜微觀結構和熱應力形變模型上的中心波長漂移計算公式。The third, the high strength of bar is caused by solid - solute strengthening, deformation - heat - treatment strengthening and precipitate strengthening, but the precipitate strengthening is the leading strengthening mechanism
導條高強度是固溶強化、形變熱處理強化、析出強化多種強化機製作用的結果,但析出強化是導條主要的強化機制。Based on the thermo - mechanical coupling models, the fem simulation on laser bending of sheet metal has been conducted with the consideration of temperature dependency
摘要考慮物性參數與溫度的相關性,將三維瞬態溫度場與熱彈塑性形變場耦合,對激光誘發的熱應力彎板過程進行了動力顯式有限元模擬並定量地揭示了其成形機理。分享友人