本研究之熔融複材，主要以熔點高的鎢金屬，膠結硬度高及熔點高之碳化物，並透過成分及比例之調配，製造出熔點高與機械性質優之複材，期望能廣泛應用於工業及軍事的特殊用途上。
本研究有三個主要部份。
第一部份研究添加共價型SiC碳化物系統。將SiC添加進一元格隙型碳化物系列，觀察到在高溫熔融期間SiC會發生裂解揮發反應，使得試片中剩餘含矽量偏低。因此也嘗試利用純矽取代SiC，以避開SiC高溫裂解揮發的問題。
第二部份討論二元格隙型碳化物系統，了解個別碳化物之間的反應行為，挑選性質最好的二元系統，進行多元組合基礎，以得到優異的多元複材。
第三部份研究層狀結構。藉定量WDS，熔煉出完全層狀結構且具優異性質之複材。
實驗結果顯示，本研究之複材，因為都具有高硬度及高熔點性質，所以在磨耗行為及高溫特性的表現，皆屬優良。

The composites in this study are mainly those composed of and manufactured by melting high-melting point (m. p.) & high-hardness carbides that are cemented with high-m. p. tungsten in various ratios. It is expected that these composites may be extensively used in specific applications in related industry and military aspects. Three main investigations are conducted as follows.
The first focuses on covalent SiC-bearing systems that are added in unary interstitial carbides. It was observed that at high temperatures SiC decomposes and vaporizes so that remained SiC content in product is very much lowered. The attempt of Si in place of SiC was tried to solve the problem. The second involves possible combinations of binary interstitial carbide systems. The best binary systems will thus be selected as the developing base of the multi interstitial carbide systems. The third will be studying the full laminar structure by WDS quantitatively determining the composition of the laminar in achieving optimum properties of composites. Experiments show that the composites in this study possess superior properties in wear and high temperature behavior.

摘要 I
致謝 III
目錄 VI
圖目錄 XIII
表目錄 XXXVIII
第1章 前言 1
第2章 文獻回顧 3
2.1 碳化物簡介 3
2.1.1 碳化物分類 3
2.1.2 格隙型碳化物 5
2.1.3 共價型碳化物 16
2.2 超硬合金 20
2.2.1 超硬合金及瓷金發展史 20
2.2.2 超硬合金及瓷金的發展現況 22
2.3 鎢合金 26
2.3.1 鎢合金簡介 26
2.3.2 鎢合金傳統固相燒結法 27
2.3.3 鎢合金目前發展與未來展望 31
2.4 熔融複材 35
2.4.1 熔融複材簡介 35
2.4.2 熔融複材之研究 37
第3章 實驗步驟 41
3.1 實驗流程 41
3.2 複材成份設計 42
3.3 複材製備 47
3.4 X光繞射分析 48
3.5 微結構觀察與成分分析 49
3.6 維式硬度量測與破裂韌性計算 51
3.7 擦損磨耗試驗 53
3.8 高溫硬度試驗 54
第4章 結果與討論 55
4.1 本研究實驗規劃 55
4.2 SiC系列 56
4.2.1 SiC + W系列 58
4.2.1.1 S3W7 58
4.2.1.2 S4W6 61
4.2.1.3 S5W5 64
4.2.1.4 S6W4 67
4.2.2 SiC + Ta, Nb系列 70
4.2.2.1 S5Ta5 70
4.2.2.2 S5Nb5 73
4.2.3 SiC + Interstitial Carbides系列 76
4.2.3.1 S3T3 76
4.2.3.2 S3A3 80
4.2.3.3 S3N3 83
4.2.3.4 S3Z3 87
4.2.3.5 S3H3 90
4.2.3.6 S3W3 94
4.2.3.7 S3V3 97
4.2.4 SiC + NT系列 101
4.2.4.1 NT1S 101
4.2.4.2 NT3S 104
4.2.4.3 NT3aS 108
4.2.4.4 NT3bS 111
4.2.5 純Si系列 115
4.2.5.1 T3W4Si3 115
4.2.5.2 Z3W4Si3 120
4.2.5.3 Ti3Si3C6W4 124
4.2.5.4 Zr3Si3C6W4 128
4.2.6 SiC系列小結 133
4.3 二至五元碳化物系列 147
4.3.1 二元系列 148
4.3.1.1 T3A3 148
4.3.1.2 T3N3 151
4.3.1.3 T3Z3 154
4.3.1.4 T3H3 157
4.3.1.5 T3W3 160
4.3.1.6 T3V3 164
4.3.1.7 A3N3 167
4.3.1.8 A3Z3 170
4.3.1.9 A3H3 173
4.3.1.10 A3W3 176
4.3.1.11 A3V3 180
4.3.1.12 N3Z3 183
4.3.1.13 N3H3 186
4.3.1.14 N3W3 189
4.3.1.15 N3V3 193
4.3.1.16 Z3H3 196
4.3.1.17 Z3W3 199
4.3.1.18 Z3V3 203
4.3.1.19 H3W3 206
4.3.1.20 H3V3 210
4.3.1.21 W3V3 213
4.3.2 TiC, TaC變量系列 216
4.3.2.1 T1A5 216
4.3.2.2 T2A4 220
4.3.2.3 T4A2 223
4.3.2.4 T5A1 227
4.3.3 TiC, TaC多元添加系列 230
4.3.3.1 T3A3N1 230
4.3.3.2 T3A3N2 234
4.3.3.3 T3A3N3 237
4.3.3.4 T3A3W1 240
4.3.3.5 T3A3W2 244
4.3.3.6 T3A3W3 247
4.3.3.7 T3A3V1 251
4.3.3.8 T3A3V2 254
4.3.3.9 T3A3V3 258
4.3.3.10 T3A3N2W2 261
4.3.3.11 T3A3N2V1 265
4.3.3.12 T3A3W2V1 268
4.3.3.13 T3A3N2W2V1 272
4.3.4 二元至五元碳化物系列小結 276
4.4 層狀結構系列 291
4.4.1 A3N3 – LS 292
4.4.1.1 A3N3 – LS1 292
4.4.1.2 A3N3 – LS2 295
4.4.2 T3A3 – LS 299
4.4.2.1 T3A3 – LS1 299
4.4.2.2 T3A3 – LS2 302
4.4.3 NT3a – LS 306
4.4.4 NT3aVW – LS 310
4.4.5 C7M1 – LS 314
4.4.6 層狀結構系列小結 318
4.5 擦損磨耗試驗分析 325
4.5.1 商用超硬合金WC-6 Co對照組 326
4.5.2 二元系列 329
4.5.3 TiC, TaC多元添加系列 354
4.5.4 層狀結構系列 364
4.5.5 擦損磨耗小結 378
4.6 高溫硬度試驗分析 379
4.7 切削試驗分析 385
第5章 結論 392
第6章 參考文獻 395

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