淬火溫度 的英文怎麼說
中文拼音 [cuìhuǒwēndù]
淬火溫度
英文
hardening heat-
In this paper, 6013al / sicp / gr metal matrix composite ( mmc ) was produced by spray codeposition, by means of changing the medium of quenching, influence of five types of heat treatment system ( furnace cooling, air cooling, water quenching, dry ice quenching, liquid nitrogen quenching ) and different aging temperature on the damping was studied systematically
本文採用噴射共沉積方法制備了6013al sicp gr金屬基復合材料( mmc ) ,通過改變淬火介質,較為系統地研究了五種熱處理制度(爐冷、空冷、水冷、乾冰冷及液氮冷)以及不同時效溫度( 120 、 150 、 170 、 190及210 )對6013al sicp grmmc阻尼性能影響。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。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 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。Over 310, liquid nitrogen quenching and water quenching show higher damping capacities
當溫度大於310 , - 195淬火與水淬試樣表現出較高的阻尼性能。The influences of isothermal quenching temperature on the retained austenite and mechanical properties of adi were studied
摘要研究了等溫淬火溫度對adi中殘余奧氏體及其力學性能的影響。The principle of multi - method and multi - parameter is suggested, which should be followed during characterizing microstructures of alloy steels by ultrasonic not method. ultrasonic velocity ( c, ) of transformation products through different heat processes of three steels was measured by high - accuracy ultrasonic installation. the velocity of quenched microstructure of 38crmoal is the lowest, which gradually increases with increasing tempering temperature between 200 ? and 650 ? after quenching process
利用ti - 40n高精度超聲波測厚儀,研究了超聲波在不同鋼種、不同熱處理轉變產物中的超聲波速度c _ 1 : 38crmoal鋼淬火組織c _ 1最小,淬火后在200 650范圍內進行回火處理時,隨回火溫度的升高, c _ 1逐漸升高, hrc與c _ 1之間具有較好的相關性;正火組織的c _ 1介於淬火后中溫回火及高溫回火產物組織的c _ 1之間。Sub - temperature quenching process of high strength bolts
高強度螺栓的亞溫淬火工藝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。Influence of parallel plate temperature on flame quenching
平板阻火單元溫度變化對火焰淬熄的影響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。It now possesses of not only some production equipment advanced in the national level, such as automatic hydraulic pressure spring eye machines, automatic control quenching furnaces and automatic control tempering furnaces the control accuracy attains 5 and shot blasting machines of landscape and vertical orientation, but also some sophisticated quality detection equipment, such as durometers, metallographic microscopes, stiffness and endurance test machines, etc. besides the hardware equipment, the company has a group of senior specialized technical personnel in the field of the design of the leaf spring processing, the leaf heat treatment as well as the tqc total quality control
擁有自動液壓卷耳機自動控溫的淬火爐和回火爐爐溫控制精度達到5橫向和縱向噴丸機等國內先進的生產設備。同時還有為保證質量購置的硬度計金相顯微鏡剛度檢測及疲勞試驗機等先進的質量檢驗設備。從產品生產開始的每一個環節進行全方位的質量控制。Results of the experiments showed that the wear mechanisms of the sintered steel included abrasive wear, adhesive wear and fatigue wear, and it was the abrasive wear most important. it was the sintered steel mixed by ni, mo that was the best on the wear resistance, because of the great lot of bainite ; the sintered steel quenched and low temperature tempered mixed by mo, w that was the best on the wear resistance, because of the rigidity of the steel was the highest
實驗結果表明:本文中幾種燒結鋼的磨損機制均是由磨粒磨損、粘著磨損、和疲勞磨損共同作用的,且以磨粒磨損為主;在燒結態下,復合添加合金元素鎳、鉬的燒結鋼的耐磨性能最好,這是因為生成了大量的硬質相貝氏體;而淬火、低溫回火態下,則復合添加鉬、鎢的燒結鋼的耐磨性能最好,這是因為熱處理態下添加鉬、鎢的燒結鋼的硬度最高。Analysis which was based on the fracture mode of mould in wire - cutting processing, and the results show that the partial - quenched of mould, the non - uniformity of blank temperature and the carbide segregation inside the material are the main reasons of deformation and cracking
摘要通過分析在線切割加工中模具的破壞形式表明:模具不完全淬火、坯料溫度的不均勻分佈、材料內部的碳化物偏析是模具變形與開裂的主要原因。The difference among the elasticity modulus of various microstructures is probably the main reason, which caused the experiment results above. under the same experiment conditions, such as sample shape, size, surface roughness, establishment of testing system, pressure on the probe, and thickness of coupling medium, the variety of relative attenuation coefficient ( or ) in different heat treatment samples is measured and compared by measuring the attenuation obtained from the cylindrical surface of column. the result is as following : for 40cr and 38crmoal, a mt < az mq < a s < a p + f ; for gcrlssimn, a mt < a annea < s < a p + f ; and a increased with the increasing of frequency
在保證試樣形狀、尺寸、表面光潔度、系統參數設置、施加在探頭上的壓力以及耦合層厚度等測試條件一致的情況下,利用棒材圓柱面測衰減系數法,分別測定並比較上述不同熱處理試樣相對衰減系數的變化情況,得到的實驗結果是:對於40cr及38crmoal鋼, _ (低溫回火) (淬火) _ (高溫回火) _ (正火) ;對于gcr15simn鋼, _ (低溫回火) _ (退火) _ (高溫回火) _ (正火) ;且隨著頻率的提高,衰減系數均呈現增加的趨勢。According to structural characteristics of multi - phased alloy steels and the properties of ultrasonic propagation, microstructures characterization with different heat treatment processes ( normalizing, quenching / annealing, quenching plus low tempering, quenching plus high tempering ) for three steels ( 40cr, 38crmoal, gcrlssimn ) was studied experimentally by using ultrasonic methods. ultrasonic velocity, relative attenuation coefficient, and power spectral analyses were researched on the same samples respectively, on the basis of theory and experiment, the sensitivity and other characterizations of the three methods used to distinguish different microstructures were compared
根據具有多種相結構合金鋼不同熱處理轉變產物的組織特點,以及超聲波在其中的傳播規律,利用超聲波速度、相對衰減系數以及功率譜分析三種方法,對三種鋼( 40cr 、 38crmoal及gcr15simn )不同熱處理(正火、淬火退火、淬火+低溫回火及淬火+高溫回火)轉變產物的顯微組織進行了超聲表徵研究。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。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。Correct control of the tempering temperature of quench steel
淬火鋼回火溫度的正確控制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