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		航空齿轮钢16Cr3NiWMoVNbE的真空低压渗碳
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			Vacuum Low-pressure Carburization of Gear Steel 16Cr3NiWMoVNbE for Aviation
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| 图9. 渗碳后各层析出物的能谱 | 
| Fig.9. Spectra of each chromatogram after carburization (a) (c) (e) carbides in carbide region, acicular martensite region and lath martensite region, respectively (b) (d) (f) corresponding energy dispersive analysis | 
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