淬硬性 的英文怎麼說
中文拼音 [cuìyìngxìng]
淬硬性
英文
hardenability-
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。Jominy steel hardenability test by end quenching jominy test
鋼端頭淬硬性試驗Standard specification for carbon and alloy steel bars subject to end - quench hardenability requirements
有頂端淬火硬性要求的碳鋼及合金鋼棒材的標準規范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。Advanced technical ceramics. methods of testing monolithic ceramics. thermo - mechanical properties. determination of resistance to thermal shock by water quenching
高技術陶瓷.整體陶瓷的試驗方法.熱機械性能.用水淬硬法對抗熱震強度的測定Heat treatment of ferrous metals ; material selection ; steel selection according to hardenability
黑色金屬的熱處理.第1部分:材料選擇.根據淬硬性的鋼Moreover, it showed that the linearity rising relations were existed between the laser power and the thickness of hardening layer, and the linearity negative rising relations between the scanning velocity and peak rigidity
此外，結果還表明激光功率與淬硬層厚度成線性增長，而掃描速度與峰值硬度成線性負增長關系。Considering different microstructures and properties of metal of hardened layer and the core of back - up roller, the distributions of shear stress below surface and the contact stress between work roller and back - up roller of a four - high - mill were simulated with nonlinear fem
摘要考慮軋輥表面淬硬層與其心部金屬材料組織性能的差別，採用非線性有限元方法對四輥軋機的工作輥與支撐輥間接觸應力及輥內剪應力分佈進行模擬，並將模擬結果與傳統強度校核方法進行了對比分析，研究了軋輥淬硬層厚度對輥間接觸應力的影響規律。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。In chapter four, in our experiments, we selected four representative mould steels as samples. after laser heat treatment, the hardness of samples was measured by special instrument, microstructure was also photographed to be analyzed carefully. through these experiments, we also debated on the theories which explain the new phenomenon occurring in laser overlapping treatment
第二章：介紹了工業中的各種激光加工技術和激光加工系統，詳細說明了本實驗所使用的高功率激光加工系統；第三章：詳細敘述了激光淬火的機理和熱傳導數學模型；第四章：通過實驗，分析激光淬火后的模具鋼的硬化帶的硬度分佈及金相組織特性，同時對激光交疊熱處理的特點及形成機理都作了深入的探討。I. investigation on laser surface hardening for metal materials in this work, the effect of the process parameters in laser surface hardening on the properties and surface feature of the hardened layer was studied
一、金屬材料激光表面硬化技術研究。研究了激光表面淬火工藝參數和硬化層性能、強化效果之間的關系，對大面積激光淬火技術的基礎理論及搭接方法對組織性能的影響規律進行了探討。The vc - fe surface composite shows high wear - resistance, it ' s wear - resistance is 4. 20 times as that of chilling respectively. with the content of v increasing, it ' s rigidity and wear - resistance increases continually. more vc grains gained, and well distributed, better wear - resistance the vc - fe surface composite will show. ( 7 ) surface cermet composite was formed by the means of cast - sintering technique, with the help of adding wc grains and the quantity of heat sent out from the reaction v + c vc, the carbide cermet quality percent exceeds 60 %
在重載干滑動摩擦條件下， vc一fe表面復合材料顯示了很高的耐磨性，其相對耐磨性是可淬硬鑄鐵的4 . 2倍:隨著含v量的增加， vc一fe表面復合材料的鑄態硬度和耐磨性不斷提高， vc顆粒越多，分佈越均勻，表面復合材料的耐磨性就愈好。As shown in the figure left, the inner ring of the self - contained bearing is hardened in the race - way and surroundings part where hardening is necessary, the area of set screw hole of the inner ring has been templed by high temperature after hardened, it has higher toughness and impact clasticity
如左圖所示，內圈溝道及其周圍需要淬硬的部分已經過正常淬火，裝配緊定鏍釘的內圈伸長端則經過高溫局部回火而保持韌性及抗沖擊性。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。Standard specification for steel, sheet, cold - rolled, carbon, structural, high - strength low - alloy, high - strength low - alloy with improved formability, solution hardened, and bake hardenable
冷軋碳鋼結構鋼高強度低合金鋼和可成形性提高的高強度低合金鋼固溶淬火和可燒固硬化薄板的標準規范Though the strength of mc nylon gear is low than metal gear, for it has low abrasion and inertia as well as flexible, it may be directly taken the place of metal - especially non iron metal, cast iron and non quenching steel
盡管mc尼輪的強度明顯比相應的金屬輪低，由於它的低摩擦性和低慣性，以及熱塑性塑料輪輪的彈性彎曲，在很多應用上可以直接替代金屬-尤其是非鐵金屬鑄鐵和未經淬硬處理的鋼材。Aimed at willing of quenchhardening stell, by cutting experiment, the cutting performance of carbide vertical milling carbide cutter which is coated with different coating material is compared. the high speed process method which is adapted adapts to high hardness metal is explored
針對淬硬鋼的銑削加工，通過切削實驗，比較硬質合金立銑刀不同塗層材料的切削性能，探索適合高硬度金屬材料的高速加工方法。分享友人