"STOP POURING, START CASTING"
"STOP POURING, START CASTING"
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DOI：
10.1007/bf03355529
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发表时间：
2012-06-01
影响因子：
2.6
通讯作者：
Campbell, J.
中科院分区：
文献类型：
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作者：
Campbell, J.
停止液态金属浇注的必要性变得越来越紧迫。浇注是夹带双膜的主要来源。双膜是引发所有我们熟悉的铸造问题的基本机制，包括孔隙率、热撕裂、机械性能低、腐蚀引发等。正如晶格位错解释塑性一样，双膜解释孔隙引发和断裂引发。只有当消除浇注（或者，在第二好的情况下，充分控制）铸造工艺才会开始发挥其潜力，提供正常可靠的铸件（还有赚取可观利润的额外潜力！）。此外，通过简化铸造厂设计，包括消除浇注，铸造行业有潜力生产出在某些情况下有望提高 1000% 的产品。全世界的工程技术将发生革命性的变化。尽管尚未得到广泛认识，但铝合金和镍合金铸造行业中已经存在无双膜金属带来巨大益处的证据。铸造行业的历史性革命已经奠定了基础。
The necessity to stop the pouring of liquid metals is becoming urgent. Pouring is the main source of entrained bifilms. Bifilms are the fundamental mechanisms which initiate all our familiar casting problems including porosity, hot tears, low mechanical properties, corrosion initiation etc. As lattice dislocations explain plasticity, bifilms explain pore initiation and fracture initiation. Only when pouring is eliminated (or, at second best, sufficiently controlled) will casting processes start to achieve their potential to deliver routinely sound and reliable castings (with the additional potential to make healthy profits!).Furthermore, with simplified foundry designs, including the elimination of pouring, the casting industry has the potential to produce products which in some cases might expect up to 1000 % improvement. Engineering throughout the world would be revolutionized. Although not widely realized, evidence for massive benefits from bifilm-free metals already exists in the Al alloy and Ni alloy casting industries. The groundwork is in place for a historical revolution in the casting industry.