激淬 的英文怎麼說
中文拼音 [jīcuì]
激淬
英文
glass-hardened-
Laser engineering - laser beam hardenability test
激光技術.激光束淬透性試驗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。Effects of comprensive technological parameter to laser surface quenching of common steel and iron
綜合工藝參數對常用鋼鐵材料的激光淬火特性的影響But the activation energy of water quenching samples are very different at different aging temperature, the lowest is 1. 27ev and the highest is 2. 4 lev
而水淬試樣在不同的時效溫度下激活能計算的結果有很大的不同,激活能最低為1 . 27ev ,最高為2 . 4lev 。It is found that the exciting spectra is moving to long wave with the increasing of eu concentration, emission intensity is rising, the properity of red homochromy is becoming better because of the different quench concentration of emission levels 5do, 5dj and 5d2 - when the concentration of eu is up to 1. 2mol %, the emission levels 5di and 5d2 is quenching
研究發現,隨著eu濃度的增加,熒光體y2o2s : eu激發光譜發生紅移,發射強度增大,紅色單色性變好,這是因為eu的5d0和sdl 、 5d2發射能級躍遷發光的淬滅濃度不同,當濃度1 . 2mol時,后兩者因交叉弛豫引起濃度淬滅。Abstract : this paper discussed the physicalmetallurgical process during laser hardening withsteel and cast iron, presented the technique designprinciple of laser hardening to achieve good resultsit also introduced the inspection method for laserhardened surface of steel and cast iron
文摘:討論了鋼和鑄鐵在激光表面淬硬時的物理冶金學過程,提出了激光淬硬獲得優良效果的工藝設計依據,介紹了對鋼鐵零件激光淬硬表層的檢驗方法。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。The reason of this may be as follows, firstly, the model has not including some important physical process such as gap effect, wall quenching extinction effect, which may greatly influence the emissions ; secondly, the emissions formation in the cylinder are not all of equilibrium process but the process controlled by the chemical kinetics
原因之一是本模型未考慮諸多對排放具有顯著影響的物理過程,如縫隙效應、壁面激冷淬熄效應等,其次說明發動機的缸內的過程並不全是平衡過程,許多排放物的生成受化學反應速度,即化學動力學的控制。When exciting at 1064nm, the fluorescence of the crystal violet ( cv ) in the cv - au sol system will be quenched rapidly and meanwhile its raman signals will also be enhanced at least 105. after addition of some drops hno3 ( 1 + 10 - 2m ), due to the chemical interaction between some cv molecules and hno3, some hcv derivatives will be formed. compared with cv, hcv can be adsorbed on metal surface more easily and tightly so there is some extra enhancement in this condition
結果表明,結晶紫分子?金膠體系中結晶紫分子在1064nm近紅外光激發條件下,其熒光得以大大淬滅,同時拉曼得到了至少不低於10 ~ 5倍的增強;當進一步加入硝酸使得其處于酸性氣氛下時,由於部分結晶紫分子與硝酸發生了化學作用形成了結晶紫分子的單替代衍生物( hcv ) ,而hcv與結晶紫分子相比,更容易吸附在金屬表面,因此結晶紫分子nir - sers還將有很大的增強。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。Technology of laser quenching treatment 40cr steel surface
鋼表面激光淬火的工藝研究Analysis on microstructure and stress of broad - beam laser hardened gears
齒輪寬帶激光淬火組織和應力分析The history, application and present processing situation of laser are introduced at first
本文在介紹激光淬火之前,首先介紹了激光的發展、應用以及激光加工的現狀。Abstract : compared with the normal technique the paper introduces many advantages of the laser quenching the ductile iron crankshaft
文摘:介紹了激光淬火球鐵曲軸與常規的曲軸表面處理方法相比有許多優點,提出了一種激光淬火球鐵曲軸圓角部分掃描的新方法。This cutting system can be widely used in the fields of laser processing, laser welding, laser marking and laser engraving, etc. it also applies for three - dimensional and five - dimensional systems
本切割系統可以應用到激光加工,激光淬火,激光焊接,激光標刻,激光刻繪等等領域,還可應用到三維,五維等多維的切割系統下,具有廣泛的應用前景。Laser quenching is one of the important field of using laser technology in industry, which is closely connected with several subjects, i. e. laser physics theory, laser processing technology, metal physics et, al
激光淬火(相變硬化)是激光技術在工業中應用的一個重要領域,該技術與激光物理學、激光加工技術、金屬學熱處理等幾門學科緊密相關。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。We studied the effect of laser quenching ( harden by phase transformation ) on some representative mould steels. through measuring the rigidity on the surface of samples treated by laser heat treatment, and through photographing microstructures of the steel surface, we find many reasons attribute to high hardness. these reasons include ultra - fine grains, high density dislocation and more content of carbon in martensite
我們研究的是激光淬火對幾種典型模具鋼的作用,通過對熱處理后的試樣的硬度分佈的測定,用金相和電鏡觀察金相組織的變化,認為激光熱處理產生高硬度的原因是晶粒細化、高的位錯密度和高的馬氏體含量。In this thesis, we studied the effect of laser heat treatment and overlapping treatment on mould steel, debated on the principle of laser heat treatment, and explained the new phenomenon observed in this experiment. to some degree, maybe our research is beneficial to the development of laser heat treatment technology in practice
本文的研究了激光淬火以及激光交疊熱處理對模具鋼性能的影響,分析了激光熱處理的機理,對實際工作會有一定的實際意義,激光淬火也會隨著激光器的發展有更廣闊的應用前景。The research results on laser hardening of the fibre - cutting roller showed that using laser surface hardening process instead of thermal spraying to strengthen the surface of fibre - cutting roller of 4crl 3 stainless steel is practicable. not only this technique overcame the disadvantage of larger heat distortion by using thermal spraying but also possessed the advantages that the operation is simply and that expense is easy
過絲輥激光表面淬火的研究表明,選取恰當的工藝參數對過絲輥表面採用激光淬火替代傳統的熱噴塗是切實可行的,該方法不但能夠克服熱噴塗方法中工件變形大的不足,而且工藝簡便、成本低廉,實用性強,具有明顯的經濟效益和推廣應用價值。分享友人