臺灣博碩士論文加值系統

本論文對SN490B鋼材的淬火熱處理，進行了相關研究，針對鋼材加熱至變態點淬火後會產生何種結果，建立了相關的副程式，利用ABAQUS軟體進行有限元素分析，得到包含溫度歷史、殘留應力以及麻田散鐵含量等模擬結果，並與實驗所得之值相互比較，藉此分析其中之差異。

This study conducts the research of SN490B steel hardening heat treatment to create the relevant subprogram based on the results of transformation point of heat quenching steel. In this research, the finite element method analysis is carried out by using the ABAQUS software to obtain the simulation results of temperature history, residual stress, and martensite content, and compare the results with the experimental values obtained from the actual operation to analyze the difference.

誌謝 iii
摘要 iv
Abstract v
目錄 vi
圖目錄 viii
表目錄 ix
第一章 緒論 1
1.1. 前言 1
1.2. SN490B結構用鋼 2
1.3. 研究動機與目的 3
1.4. 論文架構 4
第二章 基礎理論與實驗介紹 5
2.1. 熱傳性質 5
2.2. 相變轉換 7
2.3. 淬火模擬 10
2.4. 模型建立及淬火型態重建 12
第三章 有限元素法模擬結果 23
3.1. SN490B鋼材淬火實驗模型建立 23
3.2. 有限元素分析結果 23
第四章 實驗結果 39
4.1. 實驗流程及方法 39
4.1.1.高溫爐加熱 39
4.1.2.淬火熱處理 40
4.1.3.金相試驗 41
4.2.微觀組織分析 44
4.2.1.SN490B鋼材原始狀態金相 44
4.2.2. 800℃淬火金相 45
4.2.3. 900℃淬火金相 45
4.2.4. 1000℃淬火金相 45
第五章 結論與未來展望 56
5.1. 結論 56
5.2. 未來展望 56
參考文獻 58

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