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熱機(jī)械處理對Ag-15Cu原位纖維復(fù)合材料結(jié)構(gòu)及性能的影響
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國家自然科學(xué)基金 (50371031)；云南省中青年學(xué)術(shù)帶頭人后備人才項(xiàng)目(2006py01-42)


Effect of Thermomechanical Treatment on Microstructure and Properties of Ag-15Cu in situ Filamentary Composites
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    摘要:

    采用包括熱擠壓、熱處理及冷拉拔在內(nèi)的熱機(jī)械處理制備了Ag-15Cu原位纖維復(fù)合材料，其強(qiáng)度達(dá)到996 MPa并具有62%IACS的電導(dǎo)率。均勻化熱處理及低溫時(shí)效處理能有效提高材料的強(qiáng)化潛力，而在形變過程中的多次低溫?zé)崽幚砑词乖谳^大的應(yīng)變條件下也能大大提高材料的電導(dǎo)率而強(qiáng)度沒有降低。討論了熱處理對材料結(jié)構(gòu)和性能的影響機(jī)理。

    Abstract:

    Thermomechanical treatments including hot extrusion, heat treatment and cold drawing were used to prepare Ag-15Cu in situ filamentary composites. The obtained composites can achieve a strength of 996 MPa and keep a conductivity of 62%IACS. Homogenization treatment and low temperature aging can effectively improve the strengthening potential of the material, while low temperature heat treatment of several times during drawing can greatly improve the conductivity and there is no loss of strength even at high strain. The influencing mechanism of heat treatments on the microstructure and properties were discussed

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王傳軍,寧遠(yuǎn)濤,管偉明,耿永紅,畢 珺,張昆華.熱機(jī)械處理對Ag-15Cu原位纖維復(fù)合材料結(jié)構(gòu)及性能的影響[J].稀有金屬材料與工程,2011,40(11):1994~1997.[Wang Chuanjun, Ning Yuantao, Guan Weiming, Geng Yonghong, Bi Jun, Zhang Kunhua. Effect of Thermomechanical Treatment on Microstructure and Properties of Ag-15Cu in situ Filamentary Composites[J]. Rare Metal Materials and Engineering,2011,40(11):1994~1997.]
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  • 收稿日期:2010-11-22
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