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鈦合金的高溫固態(tài)滲氧-擴(kuò)散固溶復(fù)合處理
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TG166.5

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國家自然科學(xué)基金（50171073）;遼寧省教育廳項(xiàng)目（05L326）及沈陽航空工業(yè)學(xué)院博士啟動項(xiàng)目（05YB11）


Solid Oxygen-Permeation & Diffusion-Solution Treatment of Titanium Alloy at High Temperature
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    摘要:

    為了提高鈦合金的表面耐磨性能，發(fā)展了一種表面無氧化膜的高溫固態(tài)滲氧．?dāng)U散固溶復(fù)合處理方法（OP-DS）。利用TGA，SEM，XRD，XPS及顯微硬度計(jì)對OP-DS處理后的鈦合金進(jìn)行了研究。結(jié)果表明：OP-DS方法能顯著提高合金表面層的硬度，硬化層深度隨預(yù)滲氧時間的延長而增加；預(yù)滲氧處理時間對擴(kuò)散固溶效果有很大的影響，適當(dāng)?shù)念A(yù)滲氧時間可在表面形成無膜強(qiáng)化固溶層。從熱力學(xué)及動力學(xué)角度對滲氧．?dāng)U散固溶機(jī)理進(jìn)行了探討。

    Abstract:

    In order to improve the wear resistance of titanium alloys, a process of oxygen-permeation & diffusion-solution (OP-DS) was developed, by which no oxide film was formed on the surface. The titanium alloy of TC11 was studied by TGA, SEM, XRD, XPS and micro-hardness tester at high temperature. The results indicate that the hardening depth and the hardness of surface layer can be remarkably enhanced, and the surface oxide film is decreased by the OP-DS process. The pre-OP treating time exhibited significant effect on the following DS treatment, even a hardened layer without oxide scale could be produced by proper combination of OP and DS. The OP-DS process was also discussed in terms of thermal diffusion mechanism.

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馬紅巖 王茂才 魏政.鈦合金的高溫固態(tài)滲氧-擴(kuò)散固溶復(fù)合處理[J].稀有金屬材料與工程,2007,36(4):685~689.[Ma Hongyan, Wang Maocai, Wei Zheng. Solid Oxygen-Permeation & Diffusion-Solution Treatment of Titanium Alloy at High Temperature[J]. Rare Metal Materials and Engineering,2007,36(4):685~689.]
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  • 最后修改日期:2006-09-07
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