Cementite graphitization in fe - 2 . 3 si - 3 . 7c alloy 合金中滲碳體的石墨化
Study on cementite graphitization in cast iron at high temperature 鑄鐵中滲碳體高溫石墨化研究
The study of graphitization degree of c c composites recent adv ances 炭復合材料石墨化度的研究進展
Effect of electric field of pulse on transformation of perlite in second stage graphitization of nodular cast iron 脈沖電場對球墨鑄鐵第二階段石墨化中珠光體轉變的影響
4 . the machining mechanism was investigated . it is comprehensive outcome of melting , gasification , oxidation and surface graphitization 研究了電火花加工摻硼金剛石膜的去除機理,它是熔化、汽化、氧化、表面石墨化等綜合作用的結果。
Widey applied in chlorine , alkail , al , mg , cu , mn , electrolytic water , graphitization , siliconcar - bonization and dc are furnace . in which tremendous dc current is required 廣泛使用于氯,堿,鋁,鎂,銅,鋅,鎳,電解水,石墨化,碳化硅,及直流電弧煉鋼等行業需要強大直流電源的場合
3 ) some low graphitization degree samples " magnetoresistance is 0 when measure temperature is enough high . 3 ) in low intensity of magnetic field , the curve of / 0 - b is parabola 建議對碳/碳復合材料磁電阻的測量參數是:溫度區間為70 100k ;磁場強度選擇區間為1 1 . 2t 。
In our country , the graphitized electrode production mainly uses acheson graphitization furnace , which has the disadvantage of long production cycle , large power consuming , low efficiency and control technique 國內生產石墨電極主要采用的是艾奇遜石墨化爐,該石墨化爐生產周期長、能耗大、效率低,而且控制技術相對落后。
Meso - carbon microbeads ( mcmb ) is prepared from coal tar though polymerization , separation , carbonization , graphitization . by the addition of carbon additive and adoption of optimized conditions of polyme 充放電性能測試的結果表明,該電池具有較好的充放電性能和很高體積能量密度,質量能量密度亦達到國際同類電池先進水平。
The results show that the carbon / carbon composites with rough lamina have preferred orientation , higher anisotropy and graphitization degree than the carbon / carbon composites with smooth lamina 結果表明:具有粗糙層熱解炭的炭炭剎車副由于其晶格結構較為完善,生長組織擇優取向度和各向異性度均高于含有光滑層結構熱解炭的炭炭剎車副。