淬火硬度 的英文怎麼說
中文拼音 [cuìhuǒyìngdù]
淬火硬度
英文
as-quenched hardness-
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。The result shows that the quenching inductor with wimble magnet inlaid is adaptable for this technique, and the vertical quenching machine can be used in mass production
結果表明，帶錐角鑲嵌導磁體的圈式感應器，其有效圈高度、錐角和內徑的合理匹配可以滿足淬硬層形態的要求，採用立式淬火機床連續淬火可以大批量生產合格的半軸。Abstract : in this paper, the surface of the ore milling roller was quenchedby the laser, so that increase its surface rigidity and improve its antiwear properties, and prolong its life
文摘:應用激光束對磨輥表面進行淬火處理，提高磨輥表面硬度，增強磨輥的抗磨損性能，從而達到延壽的目的。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 results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed
研究表明，採用本文提出的摩擦壓扭強變形區轉移法可以得到棒狀的超細晶材料，軸向壓力、扭轉速度和溫度是採用該方法制備超細晶材料的主控參數；試件的旋轉轉速和冷卻速度對變形區晶粒細化和硬化效果影響顯著；超細晶ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比，斷裂強度和延伸率均有一定程度的增強；超細晶ly12的熱膨脹系數在550左右發生明顯的變化。Methods of measuring case depth for steel hardened by flame or induction hardening process
鋼的火焰加熱淬火或感應加熱淬火硬化層深度的測量方法Steel products. determination of the effective depth of hardening after flame or induction hardening
鋼產品.表面或感應淬火后硬化有效深度的測定That degree of hardness accounts to be applicable to the black metals and have the rockwell surname degree of hardness measurement of the color metals. it is extensive to be applicable to factory car with calculate the section
該硬度計適用硬質合金、滲碳鋼、淬火鋼、硬鑄鐵及軟鋼、鋁合金、銅合金和可鍛鑄鐵的硬度的測定。Aimed to realize the problem of quenched rail qualification forcast through quantitative analysis of quenched rail surface hardness by eddy current, and combined the eddy current theory with the computer image processing and signal analysis, the hardness testing model is established in this paper
針對渦流無損檢測淬火鋼軌踏面硬度的定量分析來實現淬火鋼軌質量保證預報問題，將電渦流理論與現代計算機圖象處理和信號分析相結合，完成硬度測試模型建立。Abstract : aimed to realize the problem of quenched rail qualification forcast through quantitative analysis of quenched rail surface hardness by eddy current, and combined the eddy current theory with the computer image processing and signal analysis, the hardness testing model is established in this paper
文摘:針對渦流無損檢測淬火鋼軌踏面硬度的定量分析來實現淬火鋼軌質量保證預報問題，將電渦流理論與現代計算機圖象處理和信號分析相結合，完成硬度測試模型建立。Moreover, a method for iterating thermal and magnetic analysis is put forward. in chapter 5, the distributed characteristics of eddy and temperature fields in induction heating process are simulation by fem respectively, including the distributions of eddy and temperature fields during the whole induction heating process, the influence of frequency and magnetic disperse, and the prediction of hardened depth
第五章:用ansys軟體對感應加熱過程中工件內渦流場、溫度場的一些基本問題進行模擬及分析，主要包括:加熱過程中工件渦流功率密度及溫度分佈規律;頻率與磁力線逸散對加熱效果的影響;同時對感應淬火淬硬層深度進行了模擬預測。Abstract : a new simulating method is established for the calcul ation of the hardness profile of high - carbon - concentration deep - carburization, on the basis of analyzing this process and taking into account the influence o f carbide solution and dissolution, carbon - concentration and temperature on the diffusion behavior, and the influence of the environment factor on carbon trans fer through the gas - solid interface
文摘:在對高濃度深層滲碳的特點進行分析的基礎上，考慮到碳化物的析出與溶解、溫度及碳濃度對擴散行為的影響，氣氛環境對相界面碳傳遞過程的影響，淬火烈度對滲碳層冷卻效果的影響，提出了一種新的模擬高濃度深層滲碳滲層硬度分佈的方法。Determination of effective depth of hardening after induction or flame hardening of steel
鋼的感應淬火或火焰淬火後有效硬化層深度的測定Analysis is done to the situation and gap of the carding clothing both at home and abroad in regarding their design, material selection, manu precison and quenching durobility for the requirement of modern machines. references is given to chinas manafacture of the same
根據當代清梳聯高產梳棉機對關鍵梳理元件的要求，從配用的錫林、道夫針布齒條的設計、原材料選用、製造精度、淬火硬度入手分析了國內外的現狀及差距，並通過對國外知名針布公司的相關介紹，為我國針布齒條製造技術進步提供了可靠的依據。Abstract : analysis is done to the situation and gap of the carding clothing both at home and abroad in regarding their design, material selection, manu precison and quenching durobility for the requirement of modern machines. references is given to china ' s manafacture of the same
文摘:根據當代清梳聯高產梳棉機對關鍵梳理元件的要求，從配用的錫林、道夫針布齒條的設計、原材料選用、製造精度、淬火硬度入手分析了國內外的現狀及差距，並通過對國外知名針布公司的相關介紹，為我國針布齒條製造技術進步提供了可靠的依據。Steels - determination and verification of the depth of carburized and hardened cases
鋼件滲碳淬火硬化層深度的測定和校核Ferrous metals, non - ferrous metals, ic thin sections, coatings, ply - metals ; glass, ceramics, agate, precious stones ; hardness testing such as that on the depth and the trapezium of the carbonized layers and quench hardened layers
黑色金屬、有色金屬、 ic薄片、層壓金屬、表面塗層；玻璃、陶瓷、瑪瑙、寶石等；炭化層和淬火硬化層的深度及梯度的硬度測試。The results show that, with the quenching temperature ( 270 ~ 380 ) increasing, the carbon content and percentage content of retained austenite increase first and then decrease, which are up to a maximum value at 360 ; the tensile strength of adi decreases ; the elongation and impact ductility of adi increase first and then decrease, which are up to a maximum value at 360 ; but the hardness of adi decreases first and then increases, which is up to a minimum value at 360
結果表明，在試驗溫度范圍內（ 270 ~ 380 ） ，試樣中殘余奧氏體的含碳量及其含量隨著等溫淬火溫度的升高先增大后減小，均在360等溫淬火時出現最大值；抗拉強度隨著等溫淬火溫度的升高而逐漸降低；伸長率和沖擊韌度隨著等溫淬火溫度的升高先增大后減小，在360等溫淬火時出現最大值；硬度則隨著等溫淬火溫度的升高先減小后增大，當360溫淬火時硬度最低。Methods of measuring case depth
測量淬火硬化層深度的方法Quenching and tempering were chosen to strengthen the material. the quenching temperature and time were adjusted based on the hardness measurement
選擇淬火和回火作為本課題的熱處理工藝，並用硬度法確定可行的淬火溫度和保溫時間。分享友人