One of {TAIL ~ the characteristics} of the permanent magnet alloys of {HEAD ~ this invention} is that as they have a lower Co content, they have a narrower two phase region which therefore need not be rapid cooled in other words, there does not accompany a risk of crack formation 
One of { TAIL ~ the characteristics } of the permanent magnet alloys of { HEAD ~ this invention } is that as they have a lower Co content , they have a narrower two phase region which therefore need not be rapid cooled in other words , there does not accompany a risk of crack formation
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