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Synthesis of steel slag ceramics: chemical composition and crystalline phases of raw materialsLi-hua Zhao1,2,Wei Wei1,2,Hao Bai1,2,Xu Zhang1,2,Da-qiang Cang1,21. School of Metallurgical...">Two types of porcelain tiles with steel slag as the main raw material(steel slag ceramics) were synthesized based on the CaO–Al2O3–SiO2 and CaO –MgO –SiO2 systems, and their bending strengths up......
Characteristics of Al2O3, MnS, and TiN inclusions in the remelting process of bearing steelLiang Yang,Guo-guang ChengState Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing摘 要:The Al2O3, MnS, and TiN inclusions in bearing steel will deteriorate the steel’s mechanical properties. Therefore, elucidating detailed......
of intragranular ferrite at inclusions was analyzed by SEM-EDX in a vanadium microalloyed steel with an excess amount of sulfur. The precipitation of MnS at aluminum oxides may result in Mn depletion...Nucleation and three-dimensional morphology of intragranular ferrite in a vanadium microalloyed steelKaiming Wu and Xinlai He Materials Science and Engineering School, University of Science......
Study on the Components and Performance of GCr15 Bearing Steel Surface by Gas Multi-elements Penetrating CHEN Fei1,YAO Bin1,ZHANG Jian-jun1,CHEN Li1,Zhou Hai1 (1.Beijing Institute of Petro-Chemical... focus on the study on the influence of multi-elements penetration on hardness of GCr15 bearing steel surface by C-N-O multi-elements penetrating treatment, and analyze the three elements, C, N and O......
Effect of slag composition on the cleanliness of 28MnCr5 gear steel in the refining processesWen-liang Dong1,2,Hong-wei Ni1,Hua Zhang1,Ze-an Lü11. The State Key Laboratory of Refractories... and 28 MnC r5 molten steel was calculated to obtain the suitable slag composition which is effective for decreasing the oxygen content in molten steel. The dissolved oxygen content [O] in molten steel......
Effects of Steel Slag Powder on Workability and Durability of Concrete郭晓潞1,2,施惠生1,21. Key Laboratory of Advanced Civil Engineering Materials (Tongji University), Ministry of Education, Tongji University摘 要:The workability and durability of a type of sustainable concrete made with steel slag powder were investigated. The hydrated products of cement paste......
Synthesis of Calcium Silicate Hydrate based on Steel Slag with Various Alkalinities王淑萍1,2,彭小芹1,2,GENG Jianqiang1,2,LI Bin1,2,WANG Kaiyu31. College of Material Science and Engineering, Chongqing... of alkalinity of steel slag on its structures and properties was discussed. The experimental results show that, the main product is amorphous calcium silicate hydrate gel with fl occulent or fi brous......
Influence of Environmental Factors on the Volume Change of Blended Cement Containing Steel Slag关少波摘 要:<正>In the condition of 20℃, 5% sulfate liquor curing, standard tap water curing and 50% RH curing-three different curing environments, the volume change of steel slag blended cement influenced by environmental factors was studied. With steel slag......
LATS refining ladle slag modifying with CaO-CaF2Hongming Wang1,2), Guirong Li1), Zhongming Ren3), Bo Li3), Xuejun Zhang3), and Guomin Shi3) 1) School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China 2) Shanghai Enhanced Laboratory of Ferro-Metallurgy, Shanghai University, Shanghai 200072, China 3) Stainless Steel Branch, Baosteel Group, Shanghai 200431, China摘 要......
高纯净GCr15轴承钢组织演变与快速球化工艺的研究闫文凯1,2,杨卯生2,杜景红0,俞峰1(1.云南省昆明市昆明理工大学材料科学与工程学院2.北京市钢铁研究总院结构材料研究所)摘 要:利用碳化物的金相形貌,数量,大小,分布及圆整度表征试验钢的球化质量,通过不同的热处理制度研究高纯净GCr15轴承钢预备组织与退火工艺对碳化物球化质量的影响.试验表明:优良的预备组织适宜的退火制度有利于碳化物在短时间内球化和细化,采用文中退火制度a,GCr15轴承钢碳化物圆整度为0.087μm,平均粒径为0.27μm,球化时间比传统......