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	Locks Compressive Grain 
	Boundaries 
	High heat normalizes 
	stresses whether they be of a tensile or compressive nature.  Introduce 
	diffusion at the same time and the pressured gases containing the diffusion 
	atoms prevent the compressive grain structure from being normalized as heat 
	alone will do. 
	Photo (b) at the right 
	shows a resultant surface after 
		TooLLife 
	has been applied.  The higher dislocation density and higher diffusion 
	concentration tends to lock in the compression as shown in the compression 
	curve (A1). 
	
	Compare this surface diffusion structure with the 
	photo below showing stratification of the diffusion zone and compound layer.  
	No compression below the zone surface is present. 
	
	
	  
	Nitrided compound and diffusion layer 
	Related Topics 
	> - 
	Diffusion Attributes  |