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		高合金化GH4065镍基变形高温合金点状偏析研究
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			Study on Freckle of a High-Alloyed GH4065 Nickel Base Wrought Superalloy
			 
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		 图2. GH4065合金点偏区BSE像及EPMA线扫描分析  | 
	
Fig.2. Backscattered electron (BSE) image (a) and EPMA line scanning (b) of the GH4065 alloy freckle  | 
	
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