热处理温度对炭/炭复合材料性能的影响
Hits:
Release time:2021-07-17 DOI number:10.3969/j.issn.1672-7207.2003.05.003 Affiliation of Author(s):中南大学 Journal:中南工业大学学报 Place of Publication:长沙 Key Words:炭/炭复合材料 热解炭 热处理 石墨化度 Abstract:对同一种炭/炭复合材料,经过不同温度的最终热处理后的微观结构、石墨化度和抗弯强度进行了对比研究.研究结果表明:随着最终热处理温度的升高,在偏振光下,易石墨化的热解炭光学活性增强,而难石墨化的热解炭微观结构几乎没有变化;炭/炭复合材料的晶粒逐渐长大,层面间距逐渐缩小,石墨化度有较大幅度的提高;同时,由于基体炭与炭纤维的热膨胀系数存在差别,随着热处理温度的升高,基体与增强纤维的的结合强度降低,使炭/炭复合材料的抗弯强度降低,但材料的应变性增强,材料的断裂形式由脆断转为假塑性断裂 Indexed by:Journal paper Discipline:Engineering First-Level Discipline:Materials Science and Engineering Document Type:J Volume:34 Issue:5 Page Number:476-479 Translation or Not:no Date of Publication:2003-10-15 Included Journals:EI -
|
 Zip Code:c576f0c85848a14d10428d1b79269fc7d68bde9ba6ecb95648b168a03671c3821c778c2bedf0cae5d03c95a065c3a5efa4243241acb9eb6089885db6f9f3fa7f5b7491eb5af48e7ab43d253e29e0fa6991b0af260ac98903cc7fbca150cb2fc86cb6bd41d95f78a263ba3d6f6aa504ee56cdd8693f2e6f13b576940cee3633de Postal Address:2160b99101f44657fc3b01efac87e3409b04555e8bc21ff5ddaa70ea7a19cd7bc3053613c2a1b52971ae55773beaea4163c9985affb6f8bfcaae9f3222330cad06259f4dfd605c90a6b153abddd43f535dd2bd6b1396517b198ce3fea2c7d45ab7446e9fc27fe675ef471eea54226fd376b95a93e478cf6486704e6cb0e7f83e Mobile:c4ee154b0c587185aed63d6cb82c90ffe0ef82f6bc120b99e5b0d9888679485a2168bc7be6eec4c43d0f3fc7388fbe9fd104681c4ecc8476e964096903962a4712cd146191dab27ba6b145217cf36b03cc47ec69de744497c3c1672fc97ccf67d93ec593cc62b2faa383f0d970a921cbe3822cd104bdbe4683a16fec283b1ba2 Email:57b51666d713c310e837eb9c7d461e87b68d0800c45fb1b93b01980a600e9c07da8197e2b9ff4ee8588260cd7af4dec0edbd3509bab4b3fb414eaa6be9c2ae0778bc2ea49146c3328afcb42961957e7495d618af48ac239d3aef96766cac32b78026c7e3822e977fada50e53ea5036ad34f845cd84a2a8a57b8b011962b53c8c
|
MOBILE Version
