馬氏體的 的英文怎麼說
中文拼音 [mǎshìtǐde]
馬氏體的
英文
martensitic-
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。Standard methods for determination of the diffusible hydrogen content of martensitic, bainitic, and ferritic steel weld metal produced by arc welding
測定馬氏體貝氏體和鐵素體鋼電弧焊接金屬中可擴散氫含量的標準方法Crack propagation from the flameout edge can be modeled by considering an edge crack in the martensite surface from flame cutting.
裂紋從燒割邊緣的擴展可模擬為一個從燒割處的馬氏體表面起始的邊裂紋。Development of super - low carbon martensite stainless steel electrode
超低碳馬氏體不銹鋼焊條的研製與應用Study on non hardened and tempered steel with low carbon martensite microstructure
低碳馬氏體型非調質鋼的研究Microstructure and properties of 1 500 mpa economical bainite martensite duplex phase steel
馬氏體復相鋼的組織與性能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The hydrogen permeation experiment of manet ii with hot dipping aluminized coating was performed in temperature range of 300 to 450, in gas phase and in liquid pb - 17li phase
在300 450溫度范圍內，分別在氫氣相和液態鉛鋰合金相中開展了帶熱浸鋁塗層manet馬氏體鋼的氫滲透性能研究。The results show that the solidification microstructure of high speed steel fe - 2 % c - 4 % v - 4 % mo - 5 % cr - x % w ( wt ) contains of martensite, retained austenite structure, and mc, m6c, m2c carbides, and mc / m2c complex carbides by xrd, sem and metallographs. most of the mc carbides locate in the cell and other carbides distribute along the boundary of the cell
結果表明：經金相組織觀察、 x射線衍射和掃描電鏡分析， fe - 2 c - 4 v - 4 mo - 5 cr - x w合金系高速鋼凝固組織包含馬氏體基體、殘余奧氏體及各種類型的碳化物如mc型碳化物、 m _ 2c型碳化物、 m _ 6c型碳化物和mc m _ 2c類型復雜碳化物，大部分mc型碳化物分佈於晶粒內部，其它類型碳化物則沿晶界呈網狀分佈。Abstract : the structure and the properties of the grinding ball made of the composite cast iron have been researched in this paper. the result indicates that added trace boron and a proper quantity copper to this kind of composite cast iron can increase its quench - hardening ability, and raise its hardness and impact toughness
文摘:研究了一種復合鑄鐵磨球的組織和性能，結果表明，化學成分和淬火工藝對這種復合鑄鐵磨球的組織和性能有很大影響，微量的硼和適量的銅可以明顯地提高磨球的淬透性，經過余熱淬火得到貝氏體或馬氏體基體組織，從而提高磨球的硬度和沖擊韌性。The lath martensite nanometer structure can play the role of fine - particle strengthening and dislocation strengthening as well as coordinate the distribution of dislocation. it is hopeful that the strength and toughness of material with this structure can be increased at the same time
板條馬氏體組織納米化結構，可起到納米晶粒的細晶強化與位錯強化的聯合作用，並可協調位錯分佈，有望使具有這種組織的材料強度和韌性同時得以提高。Martensitic phase transformation inducted by deformation of zgmn13 and application at hammering parts for ore - crusher
13鋼形變誘發馬氏體相變及在捶擊件上的應用Study on valence electron theory of phase relationship in a m transformation
奧氏體向馬氏體轉變時位向關系的價電子理論研究According to solid - state physics, the physical mode of elastic wave stimulating the nucleation of martensitic transformation had been established, of which the elastic energy release as elastic wave to induce particle displacement and strengthen the condition required by martensitic transformation
依據固體物理理論，建立了彈性應變能以彈性波的形式釋放，彈性波在奧氏體中傳播引起晶體點陣質粒位移，強化馬氏體相變形核的條件，促進馬氏體相變形核的物理模型。The reason is that the elastic energy increases the nucleation work while the formation of primary martensite can excite the release of elastic energy in austenite to promote the formation of after martensite and intensify the tendency towards homogeneous nucleation
其原因是彈性能的存在增大了初生馬氏體的形成功，而初生馬氏體的形成則會激發奧氏體內彈性能的釋放，彈性能的釋放可促進繼生馬氏體形成，並增大其均勻形核傾向。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。The lath width of martensite can be fined noticeably by pre - strained quenching at non - dynamic recrystallization to approach nanometer magnitude ( the average width is 120nm )
採用非動態再結晶溫度下的預應變-淬火，提高馬氏體相變形核率，可以超細化馬氏體的板條晶片寬度，使之接近納米量級水平（平均寬度達到120nm ） 。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。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Abstract : the microstructure of as - cast high cr injection micro - alloying martensitic cast iron and the substructure of martensite in it have been observed under sem and tem. the alloying element distribution related to phase formation, as well as the various types of branch and distortion of carbide in the martensitic cast iron have been explored by using x - ray diffraction and electron probe analysis
文摘:應用掃描電鏡和透射電鏡研究了噴射微合金化的鑄態馬氏體高鉻鑄鐵顯微組織及馬氏體的亞結構，並藉助x射線衍射與電子探針分析探討了合金元素的分佈與相形成的關系，以及碳化物的不同形式分枝與畸變。分享友人