臺灣博碩士論文加值系統

本研究主要應用噴砂製程，以自動鋼珠噴砂機在鋼材A36材質試片，利用多次噴砂次數建立試片的表面有不同的粗糙度呈現，讓試片產生不同表片粗糙度的差異性後再將塗料噴塗在試片上，最後利用X-CUT測試及拉拔試驗進行驗證，觀察試片表面粗糙度與油漆附著力之間的關係趨勢，透過量測數據進而分析和驗證。實驗中，需確認鋼珠多次噴砂的效果與表面粗糙度及各參數的關聯性，經鋼珠噴砂次數增加對應試片表面粗糙度量測值的變化，並以電子顯微鏡觀察記錄試片表面金相微觀變化現象，接著需依設定油漆塗裝系統塗裝，塗裝後需油漆測厚儀量測每塊試片量測點並記錄量測值，最後依實驗設計因子表以拉拔試驗機及X-CUT測試方式逐項對每塊試片驗證實驗，再將所得拉拔數據及X-CUT結果加以分析粗糙度與油漆附著力的影響分析。

This study mainly focuses on the sandblasting process, using an automatic steel ball sandblasting machine to test the steel A36 material test piece. By sandblasting the surface of the test piece multiple times to establish different roughness, the paint is then sprayed on the test piece. Finally, X-CUT test and pull-out test are used for the verification to observe the relationship trend between the surface roughness of the test piece and the paint adhesion, which is further analyzed and verified through the quantitative data. In the experiment, it is necessary to confirm the correlation between the effect of multiple sandblasting and surface roughness of steel balls and various parameters. By analyzing the changes in the increase in the number of sandblasting corresponding to the surface roughness of the test piece, the metallographic microscopic changes on the surface of the test piece are observed and recorded with an electron microscope. It is further painted according to the set paint coating system. A paint thickness gauge is required to measure the measuring point of each test piece and record the measured value after painting. Finally, according to the experimental design factor table, each test piece is examined by the pull test machine and X-CUT test method, and then the pull-out data and the X-CUT results are analyzed the influence of roughness and paint adhesion.

目錄
摘要 ii
ABSTRACT iii
致謝 iv
目錄 v
表目錄 vii
圖目錄 viii
符號說明 xi
第一章 緒論 1
1.1 前言與動機 1
1.2 研究方法 1
1.3 章節架構 2
第二章 文獻回顧 3
2.1 鋼鐵的腐蝕 3
2.1.1 腐蝕的定義 3
2.1.2 腐蝕的因素 3
2.1.3 腐蝕電池 3
2.1.4 電勢序 5
2.1.5 影響腐蝕速度的因素 5
2.1.6 腐蝕的類型 5
2.1.7 腐蝕的重要影響 6
2.2 表面處理 6
2.2.1 鏽蝕等級分類 6
2.2.2 溶劑清潔處理 8
2.2.3 手工工具清潔處理 8
2.2.4 動力工具清潔處理 8
2.2.5 表面清潔度標準 8
2.3 噴砂 10
2.4 表面粗糙度 14
2.5 油漆測厚儀測量原理 20
2.6 油漆附著力X-CUT測試 22
2.7 油漆附著力拉拔測試 24
第三章 實驗設備與內容 25
3.1 實驗設備 25
3.1.1 直通式噴砂機(拋射葉輪式) 25
3.1.2 無氣噴塗機組合 29
3.1.3 表面輪廓儀Posi Tector SPG 32
3.1.4 手持式非破壞性金屬塗層測厚儀 Posi Tector 6000 36
3.1.5 露點計 PosiTector DPM 39
3.1.6 光學顯微鏡(高倍率) F210 41
3.2 實驗內容 42
3.2.1 實驗步驟流程 42
3.2.2 實驗設計因子 43
3.2.3 噴砂實驗試片量測規劃 44
3.2.4 油漆實驗試片量測規劃 45
第四章 結果分析與討論 47
4.1 噴砂實驗試片金相觀察分析 47
4.1.1 未噴砂實驗試片金相觀察 47
4.1.2 噴砂一次實驗試片金相觀察 50
4.1.2 噴砂二次實驗試片金相觀察 56
4.1.3 噴砂三次實驗試片金相觀察 60
4.2 實驗試片表面粗糙度分析 62
4.3 實驗試片油漆膜厚分析 64
4.4 拉拔試驗 68
4.4.1 拉拔試驗準備工作 68
4.4.2 拉拔試驗 69
4.4.3 拉拔試驗結果分析 70
4.5 X-CUT 試驗 72
4.5.1 X-CUT 試驗準備工作 72
4.5.2 X-CUT 試驗內容 73
4.5.2 X-CUT試驗結果分析 74
第五章 結論與未來展望 76
5.1 結論 76
5.2 未來展望 76
參考文獻 77

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