高溫回火鋼 的英文怎麼說
中文拼音 [gāowēnhuíhuǒgāng]
高溫回火鋼
英文
high temper steel-
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。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。High - temper steel
高溫回火鋼Toolox44 belongs to the low residual stress tool steel with hardening and high tempering
Toolox44是經過硬化高溫回火的低殘余應力工具鋼。The variation principle of wave velocity in different microstructures of 40cr is similar with that of 38crmoal. the velocity in quenching and low temperature tempering structure of gcrlssimn is much lower than the velocity in normalizing, annealing and high temperature tempering structure
Gcr15simn鋼淬火+低溫回火組織的c _ 1遠大於正火、退火及淬火+高溫回火組織的c _ 1 ；正火、退火及淬火+高溫回火組織的c _ 1比較接近。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。The parameters in the study included the fire duration time, the axial load level, the section type and the strengthen method. the ultimate lateral strength, flexural stiffness, dissipated energy and ductility of the columns were compared and analyzed. ( 2 ) based on the stress - strain relations for steel and concrete after high temperature and the temperature field in the structural member, fiber - based model was developed to calculate the hysteretic moment ( m ) versus curvature ( ) relations and the lateral load ( p ) versus lateral displacement ( ? )
（ 2 ）在確定高溫后鋼材和混凝土在往復荷載作用下的應力-應變關系以及構件截面溫度場的基礎上，考慮力-溫度-時間作用路徑，建立了火災后鋼管混凝土壓彎構件滯回性能的理論分析模型，對火災后鋼管混凝土構件的彎矩-曲率（ m - ） 、荷載-變形（ p - ）滯回關系曲線進行了分析，計算結果與實驗結果總體上吻合較好。The furnaces can be used for vacuum braze welding of aluminum alloy production, such as aluminum alloy heat exchanger, braze welding of stainless steel, titanium alloy, super - alloy, cemented carbide and nonferrous metals, vacuum temper of high - speed steel, tool and mould steel, bearing steel, stainless steel etc, ageing and annealing of nonferrous metals
實現的基本工藝高溫合金真空釬焊實例：主要用於不銹鋼鈦合金高溫合金硬質合金有色金屬的釬焊及高速鋼工模具鋼軸承鋼不銹鋼等材料的真空回火，以及有色金屬的時效和退火處理。Low - relaxation prestressed steel wire is one kind of high degree of strength steels, and it is well used in construction industry. this paper based on the product technics, analysis the electric control system in detail. this thesis focuses on the control of the temper temperature, which is the core technics parameter
低鬆弛預應力鋼絲是一種很有前途的高強度建築用鋼材，本文根據低鬆弛預應力鋼絲穩定化處理生產線的工藝要求，對其電氣系統進行了全面、細致的分析，對重要的工藝參數?回火溫度的控制進行了詳細討論。Due to the rapid heating rate, the time for wire stayed in high temperature zone is very short and no enough time for grain grows largely, hence the structure size of continuously induction heated wire is smaller than that of conventional heated wire and grain size is 2 to 4 level higher. due to the fine grain size, the induction heat oil tempered spring wire can acquire more reasonable comprehensive mechanical properties under same strength
可見，由於加熱快，在高溫停留時間短，組織晶粒來不及長大，因此，連續感應加熱鋼絲的組織晶粒尺寸比一般加熱小，晶粒度高2 - 4級。由於組織晶粒尺寸細小，因此，感應加熱油淬火-回火鋼絲，在同樣強度下，具有更高的綜合b力學性能。分享友人