tempering temperature 中文意思是什麼
-
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。 -
Medium frequency induction heating equipment are used in metal melting, temperature keeping, diathermic technology, metal - heat processing brass soldering, quenching, tempering and sintering
中頻感應加熱設備適用於各種金屬熔煉，保溫，透熱，金屬熱處理，釬焊，淬火回火，燒結，釬絲鋼絲等。 -
Our company endeavors to quenching & tempering, normalizing, tempering, high and medium temperature quenching, mesh belt furnace quenching, carbonizing, aging subzero and high temperature heat treatment, etc
本公司是一家致力於從事調質、正火、回火、高中溫淬火、網帶爐淬火、滲碳、時效冰冷及其高溫熱處理的廠家。 -
The control strategy included the tempering drying technique, auto - control of temperature for heating air and auto - control of tempering period
控制策略包括調質乾燥技術，熱風溫度自動控制與均化時間自動控制。 -
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。 -
Low high temperature tempering
回火有低溫回火及高溫回火 -
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。 -
Relationship between tempering temperature and crack initiation life for 40cr steel
鋼低周沖擊疲勞裂紋擴展行為 -
Annealing could reduce hardness and raise toughness, which could be prone to mechanical machining. quenching and low temperature tempering could raise intensity and hardness of materials, not reduce toughness obviously. quenching on same temperature caused ticp / fe in situ composites having the best integral machine properties
退火處理使材料的硬度降低，韌性提高，便於機械加工；淬火+低溫回火處理使材料的強度和硬度提高，而韌性無明顯的降低；採用等溫淬火工藝，可使tic _ p fe復合材料具有最好的綜合機械性能。 -
This company endeavors to hardening, normalizing, tempering, high and medium temperature quenching, mesh belt furnace quenching, cementing, time effective freezing and high temperature treatment etc
本公司是一家致力於從事調質、正火、回火、高中溫淬火、網帶爐淬火、滲碳、時效冰冷及其高溫熱處理的廠家。 -
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。 -
Medium temperature tempering
中溫回火 -
Based on the heating treatment control system of a spring steel - wire production line in a factory, hubei province, the paper deals with the design of fully automatically monitoring system across its manufacturing process. through research of parameters of temperature control during the period of heating, annealing and tempering in steel wire manufacturing process, the corresponding composite intelligence fuzzy controller is designed. in light with the way of fast heating, a composite intelligent fuzzy controller combined with on - off control & pi control is set up
本文以湖北某鋼絲繩廠彈簧鋼絲熱處理生產線控制系統為依託，論述了整個生產過程的監控系統的設計，通過對該類鋼絲生產中的快速加熱過程、退火、回火等過程中的溫度控制參數的研究，設計了相應的智能型復合模糊控制器，根據快速加熱過程的實現方式，對于快速反應的被控對象，給出了以模糊控制為基礎的結合開關控制、 pi控制的快速升溫，且不超調的一種智能型復合模糊控制器，對于退火、回火等工藝過程，採用電加熱方式，該類工藝過程作為控制對象屬于具有純滯后的大慣性系統，作者設計出模型預測自適應模糊控制器，並對所設計的控制器進行計算機模擬實驗，取得了滿意的效果。
分享友人