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熱處理工藝對鋯-鈦-鋼爆炸復(fù)合板粘結(jié)性能影響
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南京工業(yè)大學(xué),南京工業(yè)大學(xué),南京市鍋爐壓力容器檢驗(yàn)研究院,南京工業(yè)大學(xué),南京工業(yè)大學(xué)

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國家自然科學(xué)基金(51475223)；國家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局科技計劃項(xiàng)目（2015QK265）；江蘇省博士后基金 (1401160C)；南京市質(zhì)監(jiān)局科技項(xiàng)目 (KJ2014011)；南京市質(zhì)監(jiān)局科技項(xiàng)目 (KJ2014012)


Effect of Heat Treatment on Bonding Property of Explosive-welded Zirconium-Titanium-steel Clad Plate
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Nanjing Tech University,Nanjing Tech University,Nanjing Boiler and Pressure Vessel Inspection Institute,Nanjing Tech University,Nanjing Tech University

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    摘要:

    為得到鋯-鈦-鋼爆炸復(fù)合板最優(yōu)熱處理工藝，本文采用正交試驗(yàn)法研究保溫溫度、保溫時間和熱處理升降溫速率三個因素對復(fù)合板粘結(jié)強(qiáng)度和殘余應(yīng)力的影響。結(jié)果表明，保溫溫度540℃、保溫時間1h、熱處理升降溫速率60℃/h為最優(yōu)熱處理工藝，復(fù)合板可以獲得最佳粘結(jié)強(qiáng)度和殘余應(yīng)力狀態(tài)組合，保溫溫度過高，時間太長都會降低粘結(jié)強(qiáng)度。此外，本文還對最優(yōu)熱處理工藝下復(fù)合板結(jié)合面進(jìn)行了顯微硬度測定，微觀組織和斷口形貌的觀察。分析顯示，復(fù)合板結(jié)合界面附近形成細(xì)晶區(qū)，顯微硬度較大；結(jié)合面粘結(jié)試驗(yàn)斷裂形式為韌性加解理混合型斷裂。

    Abstract:

    In order to obtain the optimal heat treatment condition of explosive-welded zirconium-titanium-steel clad plate, the effects of holding temperature, holding time and rate of temperature on bonding strength and residual stress of clad plate were studied by orthogonal test method. The investigation results show that the clad plate can obtain the best combination of bonding strength and residual stress under holding temperature of 540℃, holding time of 1h and rate of temperature of 60℃/h. If the holding temperature is too higher or the holding time is too longer, the bonding strength of explosive-welded zirconium-titanium-steel clad plate will decrease. Besides, the microhardness, the microstructures and the fracture morphology of bonding interface were measured and observed under the optimal heat treatment condition. The analysis shows that the fine grain zone is formed near the bonding interface and its microhardness is higher. The fracture appearance of bonding test is a mixture of ductile and cleavage fracture.

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邱偉光,張伯君,業(yè)成,周彬彬,周昌玉.熱處理工藝對鋯-鈦-鋼爆炸復(fù)合板粘結(jié)性能影響[J].稀有金屬材料與工程,2017,46(11):3451~3457.[Qiu Weiguang, Zhang Bojun, Ye Cheng, Zhou Binbin, Zhou Changyu. Effect of Heat Treatment on Bonding Property of Explosive-welded Zirconium-Titanium-steel Clad Plate[J]. Rare Metal Materials and Engineering,2017,46(11):3451~3457.]
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  • 收稿日期:2015-08-18
  • 最后修改日期:2015-10-14
  • 錄用日期:2015-11-18
  • 在線發(fā)布日期: 2017-12-13
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