淬火程度 的英文怎麼說
中文拼音 [cuìhuǒchéngdù]
淬火程度
英文
temper grade-
Mathematical model for temperature distribution calculation during wheel quench heating process is established and used in the simulation of a certain type wheel
摘要根據馬鋼車輪淬火加熱爐的實際狀況，建立了車輪淬火加熱過程溫度場計算模型。The decarburized layer also varies in depth and produces an inconsistent softer region compared to the region with full carbon
與之類似，脫碳面下部分淬火程度不如非脫碳面下部。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。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。Second, on the numerical arithmetic of the quench - induced residual stresses ground, the quenching process of 7075t73 aluminum plate is simulated, the effect of material characteristics along with the plate temperature varying in quenching is considered, and on conditions of the different water temperature and different plate thickness, the quenching processes are compared
2 、建立了航空鋁合金板材淬火過程的彈塑性力學模型，對航空鋁合金板材溫度場與應力場進行了數值模擬，模擬過程考慮了材料特性隨溫度變化的影響，並對不同的淬火影響因素進行了分析。Fourth, according to the actual aircraft frame part, the scale component is machined, and the quenching process of the scale component is simulated, which obtain temperature field and residual stress field in the frame scale component
4 、建立了某軍用飛機隔框零件比例件三維淬火過程有限元模型，模擬得到其三維瞬態溫度場與應力場。These precipitation - hardened aluminum alloys gain their high strengths through heat treatment involving a severe quenching operation, which introduces a very high level of residual stresses
這些鋁合金為獲得高強度，必須進行固溶與時效處理，其中在淬火過程中會產生很大的殘余應力。分享友人