coarse crystalline

The coarse crystalline LC4 alloy exhibit some superplasticity under lower temperature and higher strain rate, because it can create effective recrystallization refinement.

粗晶LC4合金在较低温度和较高应变速率条件下，因能产生有效的再结晶细化，而呈现出一定的超塑性。

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It was found that the overheating of material during heat treatment led to coarse crystalline grains.

结果表明：由于热加工时加热温度控制不当，使泵体过热而导致晶粒长大，强度下降。

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The maximum tensile strength of the nanocrystalline copper reached to 590 MPa, about 4.5 times of the one of the coarse crystalline copper. The maximum tensile elongation of the nanocrystalline copper reached 10%.

制备的纳米晶铜最大抗拉强度高达590MPa，是普通粗晶铜的4.5倍，纳米晶铜的最大伸长率为10%。

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To remove strains and reduce coarse crystalline structures in ( metal ), especially by heating and cooling.

除去特点并减少 ( 金属 ) 里的粗晶结构, 尤指用加热和冷却的方式.

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The experimental results of continuous casting of hollow tubes showed that there were many problems such as poor surface quality, too many faults, and coarse crystalline grains in solidification structure and poor uniformity of structure in the circumferential direction.

低熔点的Sn-Pb合金空心管坯连铸模拟实验表明，连铸管坯存在表观质量差、缺陷多、凝固组织晶粒粗大且周向分布均匀性差等问题。

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