求翻译：从中我们可以知道：开始随着球磨时间的增加，粉末粒度会随之得到细化，晶粒变小，同时粉末的应变值、应力值和应变能值均会随之变大是什么意思？

From which we can know: With the increase of milling time, powder size will follow can be refined, smaller grain, powder strain, stress and strain energy values ​​will follow the larger

From this we can know: The start time of the stone with the ball, and powder increased granularity is refined, smaller die, while powder contingency value, and stress and strain can be value is unchanged.

We may know that,Starts along with the ball grinding time increase, the powder granularity to be able to obtain the refinement along with it, the crystal grain changes small, simultaneously the powder strain value, the stress value and the strain energy value can along with it fill-out

We can know: start with the increase of ball milling time, powder particle size can be refined, grain size, while powder strain, stress and strain energy values are changed

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