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机械合金化制备Fe₄₀Ni₄₀Si₅C₁₅非晶合金

Prepared of Amorphous Fe₄₀Ni₄₀Si₅C₁₅ Alloy by Mechanical Alloying

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【Author】 ZHANG Qiu,YANG Wei,GUAN Guang-jin,QIN Ming-hui(China University Petroleum(Huadong),Dongying 257061,China)

【机构】中国石油大学(华东)物理科学与技术学院；中国石油大学(华东)物理科学与技术学院山东东营257061；山东东营257061；

【摘要】采用机械合金化方法制备了Fe-Ni-Si-C系的非晶态合金粉末,在球磨过程中对合金粉末进行取样,用XRD和DTA对不同球磨时间的Fe40Ni40Si5C15混合粉末进行了分析,发现合金粉末在球磨40 h开始部分非晶化,随球磨时间的增大晶粒尺寸减小。研究结果表明:在Fe-Ni-Si合金中加入C,可促进其形成非晶。通过机械合金化法,通过控制合理的球磨时间,在球磨70 h成功获得了Fe40Ni40Si5C15非晶粉末。更多还原

【Abstract】 The process of mechanical alloying of elemental powder mixtures of Fe40Ni40Si5C15 is studied with a high energy planetary ball milling.The Fe40Ni40Si5C15 mixed powders of mechanical alloying have been studied by X-ray diffraction.It is found that the addition of Si and C into Fe-Ni and strengthening the ball milling strength accelerated the transformation of Fe-Ni crystal alloying to amorphism.Fe40Ni40Si5C15 amorphous powders are prepared by mechanical alloying.更多还原