martensite transformation 中文意思是什麼

martensite transformation 解釋
馬氏體型轉變
  • martensite : n. 馬丁體〈顯微鏡下所見的煉鋼的針狀組織〉。adj. -sitic
  • transformation : n 轉變,變化;變形;【生物學】(尤指昆蟲的)轉化,變態,改造,改革;變質;【數學】變換;【電學】...
  1. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金化50crv鋼強韌化機理,本文通過對不同淬火溫度,回火溫度,回火時間下的力學性能指標的對比及顯微分析,認為微合金元素的細化晶粒,馬氏體的回火分解,殘余奧氏體的轉變,第二相的沉澱析出共同決定了微合金鋼的強韌化情況,特別是由於微合金元素的存在,其細化晶粒及其碳氮化物的沉澱析出,導致鋼的良好的強韌性,並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應,會在硬度曲線中產生明顯的二次硬化現象。
  2. Study on heat capacity during martensite transformation in cuznaimnni shape memory alloy

    記憶合金馬氏體相變熱容的研究
  3. Based on experimental data, the bp model is built, which reflects the relationship between the mechanical properties, phase transformation points of material and its composition, micro - structure. hardenability curves, alloy composition, austenite temperature, martensite start temperature and yield strength are predicted by means of artificial neural network technology

    本研究在實驗數據的基礎上,採用反向傳播演算法( bp演算法)建立了反映合金成分-組織-性能之間的定量關系的網路模型,並利用所得到的模型,分別對淬透性曲線、合金成分、力學性能、相變點進行分析和預測。
  4. The high wearing resistance of the samples after hydrocooling and air cooling was partially attributed to martensite transformation and work - hardening

    經水冷和空冷的試樣具有高耐磨性的重要原因是其在磨損過程中誘發了馬氏體相變,出現加工硬化現象。
  5. We studied the effect of laser quenching ( harden by phase transformation ) on some representative mould steels. through measuring the rigidity on the surface of samples treated by laser heat treatment, and through photographing microstructures of the steel surface, we find many reasons attribute to high hardness. these reasons include ultra - fine grains, high density dislocation and more content of carbon in martensite

    我們研究的是激光淬火對幾種典型模具鋼的作用,通過對熱處理后的試樣的硬度分佈的測定,用金相和電鏡觀察金相組織的變化,認為激光熱處理產生高硬度的原因是晶粒細化、高的位錯密度和高的馬氏體含量。
  6. The result showed that plastic deformation during pre - strain played an restrained role on the growth of martensite ( especially in the direction of lath width ) and increase the nucleation rate indirectly ; the elastic energy induced by plastic deformation restrain the transformation of primary martensite but accelerate the transformation of after martensite

    實驗結果表明:預應變過程中造成的塑性變形對馬氏體生長(尤其是寬度方向)有約束作用,起間接提高馬氏體形核率的作用,所儲備的彈性應變能對初生馬氏體的轉變有抑制作用,但對繼生馬氏體的轉變卻有促進作用。
  7. Abstract : recent experimental investigations have demonstrated that the pre - deformation of shape memory alloys results in martensite stabilization opposing reverse transformation, hence leading to the expansion of transformation hysteresis

    文摘:形狀記憶合金經適當溫度下的塑性變形可以有效地提高馬氏體的穩定性,從而使相變滯后得以大幅度提高。
  8. Martensite formation during mechanical alloying of fe - ni and martensitic transformation

    機械合金化過程中馬氏體的形成及相變
  9. 3 ) a novel martensitic transformation kinetics model for sma is proposed based on the phenomenological description of the martensitic transformation heat flow - temperature curve and on the linear relationship between the partial derivatives with respect to the temperature of martensite fraction and of gbbis free energy. numerical simulations by utilizing the proposed model are closer to experimental results than those from other models

    3 )基於對馬氏體相變熱流-溫度實驗曲線的唯象模擬,以及馬氏體體積分數與熱力勢對溫度偏導數之間的線性關系,建立了一種新的馬氏體相變動力學模型,並與其他模型及實驗結果進行了比較。
  10. Martensite transformation of an ultra - high carbon steel and grain size effect on sub - structure

    超高碳鋼馬氏體相變及超細晶粒對亞結構的影響
  11. The thermodynamic character of cu - zn - al shape memory alloy s martensite transformation process

    形狀記憶合金馬氏體相變的熱力學特徵
  12. Influence of cold rolling on two - way shape memory effect and martensite transformation of cu - 18al - 10. 5mn alloy

    合金雙程形狀記憶效應及馬氏體相變的影響
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