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tribology n.摩損學。

triboluminescence

It shows the nanometer particles have automation to make the friction surface in a comparatively even state . 4 ) through tribology chemistry function , the nanometer cacoj and cao particles form a deposited film on the wear scar ' s surface or strengthen the surface through a small amount of metal ca ' s diffusion to improve the friction surface ' s a ( 4 )納米碳酸鈣和納米氧化鈣粒子通過摩擦過程中的摩擦化學作用在磨斑表面上形成了沉積膜,少量金屬鈣通過擴散作用滲透到鋼基體表面,形成表面強化層,提高了表面的耐磨性。

Secondly , introducing the image analyzing technology with reference to the disadvantages of the traditional ferr - graph analysis technology , and with the combination of characteristic parameter optimizing filtration so as to raise a description method of debris micro - morphologic character . thirdly , with the application of mode recognition method , completing the process of debris auto - recognition based on the collected information of the debris configuration characteristics ; and conducting the diagnosis on the aero - engine wear faults according to the theory of particle tribology . fourthly , introducing information fusion technology to solve the problem that a single method can not collect enough fault premonitory information to conduct the wear fault diagnosis , hence to conduct the research and exploration in the field of comprehensive diagnosis on the aero - engine ' s multi - fault premonitory information 本文的研究工作主要包括以下五個部分:首先,介紹航空發動機常見的磨損故障類型,研究磨損故障的失效機理,分析磨粒的產生機理、分類以及形態特征:其次,針對傳統鐵譜分析技術的缺點,引入圖像分析技術,再結合特征參數優化篩選,形成基于圖像的磨粒顯微形態學特征描述方法:然后,基于提取到的磨粒形態特征信息,應用模式識別方法完成磨粒自動識別,并根據顆粒摩擦學的基本原理進行航空發動機磨損故障的診斷與定位:再后,鑒于單一方法不能提取足夠的故障征兆信息進行磨損故障診斷,本文引入信息融合技術,開展航空發動機多故障征兆信息綜合診斷方法的研究與探索;最后,基于航空發動機滑油光譜分析與鐵譜分析數據,應用時序模型、灰色模型以及組合模型進行磨損故障的預測方法研究。

Research and improvement of contact fatigue resistance of grease and additives are important ways to increase the bearing life with the development of nano tribology , nano particles additives have appear excellent performance , so it is of great theoretical and practical significances to carry out studies of the contact fatigue resistance of such additives 隨著納米摩擦學的發展,納米級固體微粒添加劑表現出優良性能。因此研究納米級固體微粒添加劑來改善潤滑劑的抗疲勞性能具有重要的理論意義和實用價值。

Nano - materials show broad application due to its unique physical and chemical characteristics in the field of tribology , and become potential lubricating oil additives . despite the present research still in the initial stage , many problems requir to be solved , however , lots of experimental results indicate that nano - materials possess the charateristics of reduing wear , antiwear and extreme pressure resistance 納米材料由于獨特的物理化學性質,在摩擦學領域顯示了廣闊的應用前景,成為具有巨大潛力的潤滑油添加劑。盡管目前的研究還處在初期階段,許多問題有待解決,但大量的實驗結果已表明納米材料可以作為潤滑油添加劑而起到減摩、抗磨和抗極壓作用。

An oil agent has a low load bearing capacity , extreme pressure andantiwear additives often contain the element of sulph , phosphorus , chlorine , which pollute surrouding enviorement , which have been restricted to use overseas . deweloping lubricating oil additive with good antiwear , high load - bearing capacity and self - repair of wear surface is one of the important questions in tribology 油性劑的承載能力低,極壓抗磨劑多為含硫、磷、氯的有機物,污染環境,在國外已被限制使用。發展具有良好抗磨性能、高承載能力、對磨損表面具有一定修復功能的潤滑油添加劑是摩擦學領域的前沿課題之一。

On the basic theory of transfer heat , tribology of rolling bearings and rotor dynamics , taking gdz48a electrospindle as an example , the paper puts forward the spindle bearing ' s quasi - dynamics analysis model with the influences of the friction heat and preloadings analyzes the friction moment , velocities , contact loads , friction heat and stiffness and studies the influences of the friction heat , structure and application parameters on the speed and dynamics 本文以傳熱學、滾動軸承摩擦學和轉子動力學為理論基礎,以gdz48a型電主軸為例,建立了考慮摩擦熱和預緊方式影響的主軸軸承擬動力學分析模型,分析了軸承的摩擦力矩、運動、載荷和剛度,研究了軸承的熱特性、設計和應用參數對速度和動力學性能的影響,并進行了試驗驗證。

This task will be foundation to develop a new type hydrostatic transmission piston pumps with high efficiency , long life , high pressure and high speed , which combined the item of nature science fund of zhejiang province , tribology study on sealing , hydrostatic support and piston on hydrostatic transmission piston pump . in this paper , a new design idea of the ball friction coupling based on hydrostatic bearing was given , and analysis was carried out to the static state properties and the dynamic properties of the oil - film of this friction pair 本課題是結合浙江省自然科學基金項目“靜壓傳動柱塞泵的密封、靜壓支承和柱塞的摩擦學研究” ( 501073 ) ,為研發高效率、長壽命、高速、高壓靜壓傳動柱塞泵提供一定的理論基礎,著重研究了滑靴副和球鉸副的動靜態特性,提出了基于靜壓支承的球鉸副設計原理。

By testing some parameters , such as the maximum non - seizure load , the shape and diameter of wear scar , the friction factor , the nanometer caco3 particles “ properties of extreme pressure , anti - wear and friction reduction have been tested and analyzed . the properties of the nanometer caco3 particles “ tribology chemistry have been analyzed through x - ray photoelectron spectrum test . also the nanometer caco3 particles “ mechanism of anti - wear and friction reduction has been studied systematically 通過測試最大無卡咬負荷、觀察磨斑表面形貌和測定磨斑直徑以及測試摩擦系數,對納米碳酸鈣粒子的極壓性能和抗磨減摩性能進行了分析和研究;通過xps測試對納米碳酸鈣潤滑油添加劑進行了摩擦化學的分析和研究,對于納米碳酸鈣粒子的抗磨減摩機理做了系統的分析。

This research radically change the traditional tribology experiment sys tem ' s shortcoming that it can not represent tribology systematize and timeliness , because of it ' s good frequency capability , it can satisfy tribology experiment ' s real - time require , assure experiment result ' s veracity 本研究從根本上改變了傳統摩擦學試驗不能體現摩擦學的系統性和時變性的缺點,由于其良好頻率響應性能,滿足了摩擦學試驗的實時要求,保證了試驗結果的準確性。

It is a reliable system with friendly interfaces , which carries out the test data ' s real - time sampling , analysis and handling , instantaneous graph saving , graph reoccurrence and exporting function etc . it can give the real - time and right results of tribology experiment 該系統具有穩定、可靠、操作界面友好的特點,并實現了數據的實時采樣、實時分析處理、瞬間圖形存儲、圖形再現、輸出等功能,方便的對試驗做出實時、量化的估計。

The results of the test of the nanometer caco3 particles “ tribology chemistry through x - ray photoelectron spectrum show that the nanometer cacos , calcium oxide ( cao ) and metal calcium improve the oil ' s properties of extreme pressure , anti - wear and friction reduction together 5 、通過xps測試,對納米碳酸鈣粒子的摩擦化學性能進行了研究,在摩擦過程中碳酸鈣、氧化鈣和金屬鈣共同起到了提高極壓性能、抗磨減摩的作用。

It can meet t he tribology test ' s real - time require because of good frequency characterization . in the test system , it is successful to use the virtual instrument technique in tribology experiment , which pioneered a novel method of measuring and testing technique of tribology 由于其具有良好的頻響特性,滿足了試驗的實時測試要求,并成功的將虛擬儀器技術與摩擦學試驗結合起來,為摩擦學測試技術開辟了新的發展方向。

In this paper , the structure characteristics and lubricating theory of teflon is studied , and tribology capability of teflon is researched on four - ball machine , and the serviceability and development of teflon used as lubricant additive is discussed 摘要研究了固體潤滑劑聚四氟乙烯的結構特征和潤滑原理,使用四球摩擦試驗機研究了聚四氟乙烯的摩擦學性能,探討了聚四氟乙烯作為潤滑添加劑的應用現狀與發展前景。

Based on the basic principles of polymer material and tribology the comprehensive investigation on the tribology behavior of polymer - matrix composite material has been made about solid lubricant used in the embedded bearing for hydraulic generator 本研究論文以摩擦學、高分子材料基本理論為指導,以水輪發電機鑲嵌軸承用固體潤滑劑為研究對象,進行高分子基復合材料的摩擦學行為的全面研究。

With the great development of computer technique , automatization testing technique is being mature little by little , so it is a very important content of tribology experiment technique to use automatization testing technique to friction & wear experiment system 隨著計算機技術的飛速發展,自動化測試技術也日趨成熟,將其應用于摩擦磨損試驗系統已成為摩擦學試驗技術研究的一個重要內容。

And use the software made with vc + + 6 . 0 and corresponding hardware , to implement experiment datum ' s real - time collection , analysis processing and export function ect , then , to have a real - time and right estimate to tribology experiment 并利用vc + + 6 . 0編制的軟件以及相應的硬件設備實現了試驗數據的實時采集、分析處理、輸出等功能,可方便地對試驗作出實時、量化的評估。

The wear process of tribology system in general meaning has been analyzed and discussed . using dynamical system theory and the methods of model building to analyze the spectrometric oil analysis data with time series method 特別是對潤滑油使用性能影響較大的氧化、沉積物、添加劑損耗等的原因作了較為詳細的論述,為進一步研究潤滑油使用狀況打下了良好的基礎。

The features of tribology fault are changed along with the time and system . it is efficient to diagnose tribological fault in respect that information characteristics contained in lube samples tell the truth enough 由于摩擦學故障的征兆隨著時間和系統的變化而變化,因此,潤滑劑樣本含有的信息特征要能夠充分反映這種變化,才能有效地診斷摩擦學故障。

Yeau - ren jeng and hung - jung tsai , 2004 , “ grain flow for rough surfaces considering elastic / inelastic grain collision , ” proceedings of asme / stle joint international tribology conference , trib 2004 - 64296 , long beach , california , usa . oct . 24 - 27 蔡宏榮, 2004 , “含表面粗糙度之顆粒流體特性探討, ”第五屆海峽兩岸青年科學家學術研討會,北京,中國。