研究了洁净度和组织均匀性对四种管线钢板坯性能的影响。
The influence of purity on mechanical properties of pipeline steels had been investigated.
实验表明：熔渗铜不仅可以提高材料的密度，而且可以改善材料的组织均匀性，提高材料的合金化程度。
It has been found that high density, homogenous of microstructure and high alloying degree can be attained by copper infiltration.
研究了1.2311塑模钢扁钢尺寸、终轧温度、回火温度等主要工艺参数对其轧后硬度、回火硬度及组织均匀性的影响。
The influence of processing parameters, such as finishing rolling and temper temperatures, on the hardness and microstructure of 1.2311 plastic die flat steel were studied.
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