本研究主要探討不同燒結參數對於硼矽玻璃-鑽石複合材料機械性能以及界面反應的影響,燒結後的試片除了進行硬度量測、收縮率量測與磨耗比測試以外,並以熱機械分析儀分析燒結過程中試片收縮量的變化情形,以及使用掃描式電子顯微鏡觀察燒結後鑽石的微結構與磨耗試驗後鑽石的表面狀態。另外以X光電子能譜儀(XPS)與拉曼光譜儀(Raman)對不同持溫時間的試片進行表面成分與鍵結分析。實驗結果顯示在燒結溫度為700 oC時，燒結持溫時間與基地相的硬度值及收縮率成比例關係，以及玻璃基材的玻璃轉換溫度Tg約為625 oC，高於此溫度試片的收縮速率隨升溫速率的增加而上升，在持溫期間試片的收縮率則隨著持溫時間增加而等速增加。磨耗比測試結果燒結溫度700 oC，持溫時間120 min的鑽石砂輪具有最高的磨耗比，此外在切削過程使用較高的切除率，會降低砂輪的磨耗比與使用壽命。拉曼光譜分析結果顯示燒結溫度700 oC、持溫時間120 min的玻璃-鑽石複合材料，除了在1332 cm-1位置出現鑽石的C-C sp3訊號以外，在1420~1460 cm-1位置亦觀察到聲子震動訊號，在XPS的光譜分析中C1s的能譜除了出現C-C sp3的訊號以外，也出現C=N雙鍵的鍵結訊號，這極可能是因為氮氣與試片的表面結構在高溫下產生反應並與鑽石表面不穩定的原子形成雙鍵C=N，不過此現象在持溫時間較短的試片中並不明顯，這些鍵結除了會提高玻璃-鑽石複合材料的硬度以外，對於材料的耐磨耗性能亦有所貢獻，在燒結過程中鑽石顆粒並沒有因為與氧化物玻璃結合而產生明顯之劣化，因此增加燒結持溫時間有助於鑽石與基材的結合性能，也能提高複合材料的使用壽命。

Mechanical properties and interface reaction between diamond and borosilicate glass were studied in this thesis. The mechanical properties, including hardness, sample shrinkage, grinding performance and thermal mechanical analysis(TMA) were also investigated in this study. Surface topography and diamond-Borosilicate glass interface were observed using SEM. Chemical bonding between diamond grits and glass was measured by XPS(X-ray photoelectron spectrum) and Raman spectrum. The results show that shrinkage was proportional to the duration time at the sintering temperature of 700℃. Shrinkage rate was increased substantially at sintering temperature higher than the glass transition temperature(Tg). Raman spectrum results show that borosilicate glasses react with diamond grits at 700℃, as C=N and C-C vibration modes were observed. Chemical shifts of XPS spectrum show C-C and C=N bonding and Si-C boning in this composite. In addition, surface atoms react with nitrogen gas and form C=N bonding. These chemical bonds could enhance grinding performance and binding ability between diamond grits and glass matrix. Increasing sintering duration time enhances binding ability, therefore, increases composite lifetime.

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