鈦金屬接著劑製作研究

The study of adhesive system for bonding titanium substrates

沈志輝(Chih-Hui Shen)

指導教授 ： 洪信國

元智大學/工程學院/化學工程與材料科學學系/碩士(2003年)

摘要

本研究主要目標在建立一系統化之鈦金屬表面接著技術，工作主要包括鈦金屬表面處理鑑定分析，接著劑配製選用與鈦金屬接著強度與耐久性測量，並以熱分析儀器如熱示差分析儀(DSC)、熱重分析儀(TGA)及傅式紅外線光譜分析儀(FT-IR)，探討配方之基礎性質。
本實驗證實鈦板表面主成分為鈦及極少氧化物，鈦金屬經氫氟酸蝕刻與陽極處理後，表面之粗糙度明顯增加，並有針狀突起物與氧化物生成，環境測試後表面型態隨處理方法不同而改變。
接著強度隨epoxy、硬化系統、填充劑、及增韌劑之種類含量改變，Phenolic epoxy 與DDS之硬化系統有較佳之耐熱性，高溫造成多數測試接著劑之劣化，降低接著強度。耐衝擊性與接著強度以Nylon與DICY之硬化系統最佳，但高溫易劣化與受水氣影響。陽極表面處理對接著強度及耐久性之影響隨所用接著劑之種類不同而有極大差異。

關鍵字

鈦 ； 接著劑 ； 粗糙度 ； 表面型態 ； 耐久性

並列摘要

The adhesive and the surface treatment used to bond the titanium (TI) substrates are studied with differential scanning calorimetry (DSC), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy, electron dispersive analysis by X-ray (EDAX), and lap shear strength measurement. From results of SEM and EDAX analyses, it is obtained that the chemical composition, the surface morphology, and the roughness are changed by applying the acid etching and the anodization on the Ti surface. The method of surface treatment also affects the surface morphology after screening test. The adhesion strength of the adhesive joints prepared with Ti substrates depends on the content and the type of the epoxy, the curing agent, the filler, and the toughness modifier used. The adhesive formulated with phenolic resin and diaminodiphenyl sulfone has a better thermal durability than the other systems. The adhesive with Nylon has the best adhesive strength but the worst thermal durability. The effect of surface anodization on the durability and the adhesive strength of the bonds is dependent on the type of adhesive used.

並列關鍵字

titanium ； adhesive ； roughness ； surface morphology ； durability

參考文獻

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