The purpose of equal channel angular pressing (ECAP) is to obtain ultra-fine grained (UFG) materials.
角挤压是获得块体超细晶材料的一种重要工艺方法。
The microstructure and mechanical properties of welded joint of ultra-fine grained rebar were studied.
研究了超细晶粒钢筋焊接接头的组织和力学性能。
The characters of new steels are high cleanliness, high homogeneity, ultra-fine grained and micro alloyed.
主要技术路线是高洁净度、高均匀性、微合盒化、超细晶粒及组织。
The uniform ultra-fine grained copper was prepared by asymmetrical accumulative rolling bonding(AARB)and anneal.
对铜材进行异步累积叠轧并退火处理，制备出了均匀稳定的超细晶铜材。
The key technique of hot rolling low carbon ultra-fine grained steel strip consists in controlled rolling and controlled cooling.
细晶粒低碳钢生产的关键技术在于控轧控冷。
The invention discloses a method for preparing high-strength and high-plasticity ultra-fine grained ferrite and nano-carbide low-carbon steel.
本发明公开一种高强度高塑性超细晶铁素体和纳米碳化物低碳钢制备方法。
Studying fine-grained carbonate rocks by ultra-technique can inquire into its various origin, secondary change in diagenesis and type of pores and evaluate its reservior properties.
以超微技术手段研究细粒碳酸盐岩的结构，可探讨其多种原因，成岩次生变化和孔隙类型，并对其储集性能进行评价。
Studying fine-grained carbonate rocks by ultra-technique can inquire into its various origin, secondary change in diagenesis and type of pores and evaluate its reservior properties.
以超微技术手段研究细粒碳酸盐岩的结构，可探讨其多种原因，成岩次生变化和孔隙类型，并对其储集性能进行评价。
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