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研究生:沈宗義
研究生(外文):Tsung-yi Shen
論文名稱:蓖麻油酯與生質柴油對引擎機油抗磨耗性能之影響
論文名稱(外文):Effect of Castor oil ester and Biodiesel on Tribological Performance of Engine Oil
指導教授:林原慶林原慶引用關係
指導教授(外文):Yuan-Ching Lin
口試委員:林原慶
口試委員(外文):Yuan-Ching Lin
口試日期:2014-07-15
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:機械工程系
學門:工程學門
學類:機械工程學類
論文種類:學術論文
論文出版年:2014
畢業學年度:102
語文別:中文
論文頁數:169
中文關鍵詞:蓖麻油酯生質柴油引擎機油磨潤性能抗磨耗
外文關鍵詞:castor oil esterbiodieselengine oiltribological performanceanti-wear
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本文目的在於探討蓖麻油酯與生質柴油對引擎機油抗磨耗性能之影響。利用全新機油與不同濃度的蓖麻油酯及生質柴油做混合,並使用TE77往復磨耗試驗機進行滑動磨耗試驗以評估油品之磨潤性能。設計不同的試驗溫度、試驗週期等條件下進行磨耗試驗。此外,利用SEM、EDS、EPMA、AES與XPS等儀器用以分析表面磨耗型態、化合膜的化學組成,以及化合膜的生長行為。
試驗結果顯示,混合油在往復磨耗試驗中,無論是在室溫或是高溫試驗,含蓖麻油酯之機油其抗磨耗能力,均較含生質柴油的機油佳。室溫時,其抗磨耗能力由引擎機油中物理吸附膜與微液動壓效應的強弱所主導;而在高溫時,則由引擎機油中ZDDP添加劑的分解及反應速率所主導。此外,將磨耗試驗週期增加至六小時,含蓖麻油酯之機油磨耗量大幅上升,證明蓖麻油對於機油的抗磨耗能力衰退較為顯著,並在高溫試驗時產生膠狀物質,若添加至車輛中行駛恐會造成引擎的積污。
This study aims to investigate the effects of castor oil ester and biodiesel on the tribological performance of engine components. Wear test oil can be divided into two types. The first type is engine oil mixture of castor oil ester. The second type is the mixture of biodiesel for different concentration. Sliding tests are performed under different test temperature and operating hours conditions by Cameron-Plint TE77 reciprocating. In addition, use scanning electron microscopy (SEM) and energy dispersive spectrometer (EDS) and an auger electron spectroscopy / x-ray photoelectron spectroscopy (AES/XPS) separately to characterize the morphology of worn surface and indentify the composition of the surface films.
Results show that reciprocating wear tests of blending engine oil whether at a low or high temperature, the anti-wear ability of engine oils with castor oil ester is better than that of engine oils with biodiesel oil. At room temperature, the anti-wear ability of engine oil is dominated by the physical adsorption capacity and hydrodynamic effects; while at high temperature , the anti-wear ability of engine oil is depend on the moment of decomposition of ZDDP additives and their chemical reaction rate. In addition, the wear test period increases to six hours , we can find wear volume in the amount of engine oil blended with castor oil ester obviously increase, Castor oil ester for anti-wear capabilities more significant decline and produce a gelatinous substance at high temperature wear test, If add to a vehicle driving, it will lead to the problem of the engine deposition.
摘要......1
ABSTRACT......IV
目錄......VII
圖目錄......IX
表目錄......XIV
第一章 緒論......1
1.1研究動機......1
1.2模型構想簡介......2
第二章 文獻回顧......4
2.1 引擎機油功能與組成......4
2.1.1引擎機油的功能......4
2.1.2引擎機油的組成......5
2.2機油ZDDP添加劑研究......8
2.3生質油的種類與研究......14
2.4潤滑模式......19
2.5摩擦與磨耗機構......23
2.5.1摩擦型態......23
2.5.2磨耗機構......25
2.6固體表面與接觸型態......30
2.6.1表面粗糙度......30
2.6.2接觸應力計算......31
第三章 實驗儀器與方法......33
3.1實驗儀器......33
3.2分析儀器......39
3.3試片規格......40
3.4試驗用油......42
3.5試驗條件......44
3.6磨耗體積計算......45
3.7試驗步驟......46
第四章 結果與討論......50
4.1各種試驗用混合油在較短測試週期的摩擦行為與磨耗型態分析......51
4.1.1室溫磨耗試驗......51
4.1.2恆溫80℃磨耗試驗......65
4.1.3恆溫180℃磨耗試驗......79
4.2各種試驗用混合油在較長測試週期的摩擦行為與磨耗型態分析......95
4.2.1室溫磨耗試驗......96
4.2.2恆溫180°C磨耗試驗......108
4.2.3蓖麻油酯與生質柴油對機油抗磨耗能力的影響評估......124
4.3化合膜成份分析......129
4.3.1 EPMA分析......129
4.3.2 AES分析......136
4.3.3 XPS分析......145
4.4 潤滑油在邊界潤滑狀態下的抗磨耗機制......158
第五章 結果與建議......161
5.1結論......161
5.2建議......164
參考文獻......165
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