The development of spray forming on theories in recent years was summarized, such as heat transfer, gas flow field dynamics, mechanism for formation of solidification structure and mechanical properties of materials. 对该工艺近几年在热传输、气体流场动力学、凝固组织形成机制和材料性能等理论方面的进展做了总结。
Spray forming is a novel rapid solidification technique which is suited to prepare superalloy turbine disk billets. 喷射成形作为一种新型快速凝固技术,是适于新型高温合金涡***类坯锭制备的先进金属成形工艺。
Spray atomization and codeposition processes belong to the rapid solidification technology. 而喷射共沉积法属于新型快速凝固金属基复合材料制造方法,其所用设备成本较为昂贵,工艺较为复杂。
Spray forming as a new rapid solidification technique, is widely used in recent years for the researching and processing of many kinds of metallic materials with excellent properties. 喷射成形是一种新型快速凝固技术,近年来被广泛用于多种高性能金属材料的研究与制备。
Developments and Trends of Spray Deposition in Rapid Solidification Technology 喷雾沉积快速凝固技术的发展与展望
Spray forming is a novel manufacturing technology of materials that combines rapid solidification and near net shape forming to make bulk metal or alloy preforms with desired shape and size. 喷射成形(或称喷射铸造)是一种新兴的材料成形技术,它具有用快速凝固的方法直接制备大块金属材料的特点,同时还可以控制坯件的形状和大小。
Spray deposition is a new forming technique of rapid solidification materials. 喷射沉积是1种快速凝固材料制备新技术。
Spray deposition is a new kind of near-net shape metal forming technology which is used to manufacture rapid solidification advanced materials with the characteristics of uniform composition, high density, low oxygen tension and small degree of segregation. 喷射沉积技术是制备快速凝固高性能材料的新型金属近成形技术,沉积坯件具有成分均匀、组织细化、致密度高、含氧量低、偏析程度小等特征。
THE PRIMARY STUDY ON SPRAY DEPOSITION FORMING Air-pressure jet solidification system 喷射沉积成形技术初步试验气压式熔融沉积快速成形系统
Spray forming is an advanced specific casting technology which uses fast solidification way to obtain metal billets. 喷射成形技术是一种利用快速凝固方法获得金属坯件的先进特种铸造技术。
Spray forming ( SF), as an advanced technique of alloy preparation by rapid solidification, has possessed many significant advantages in high strength aluminum alloys. 喷射成形(SprayForming)作为一种新型的快速凝固制备合金的技术,其在高强铝合金制备方面具有很大的优势。
Precision Spray Forming is a typical single-step process for producing low porous material, and it is a rapid solidification process. 精密喷射成形是一种典型的短流程制备高致密度材料的方法,可实现工、模具的快速成形,属于快速凝固技术的一种。
Sixth, formation of aluminum bronze powder plasma spray coating has characteristic of rapid solidification, microstructure of the organization also has characteristic of rapid solidification. 铝青铜粉末等离子喷焊层的形成具有快速凝固的特点,其微观组织结构也具有快速凝固的组织特征。