New Technologies for the Environment: Environmentally Benign Manufacturing - Casting by Design

环保新技术：环保制造——设计铸造

• 批准号: 0086948
• 负责人: Paul Steen
• 金额: --
• 依托单位: Cornell University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2000
• 资助国家: 美国
• 起止时间: 2000-10-01 至 2002-09-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0086948&HistoricalAwards=false
• 关键词: New; Technologies; Environment; Environmentally; Benign

This New Technologies for the Environment exploratory research project proposes a novel technology to enable continuous casting of molten metals, in a single step, to the specifications of the designer. To cast aluminum foil, e.g., in a single step, would reduce CO2 emissions to the atmosphere by 250,000 tons per year, in the US alone. Every kilogram of aluminum saved in reducing manufacturing waste translates into electricity saved at the energy-hungry smelter. The technology is based on controlling length scales previously uncontrolled.Successful casting by design, or `tunable' casting, will use substrate modification to manipulate product quality. The goal is to condition the substrate by imposing thermal gradients before the contact zone. Gray-scales in ink-jet printing are produced by the spacing and arrangements of ink dots of the same size. In much the same way, the proposed gradients will be established with arrangements and spacing of hot spots. Laser heating will induce the hot spots.

这项环境新技术探索性研究项目提出了一种新技术，可以按照设计者的规格一步连续铸造熔融金属。 例如，仅在美国，只需一步铸造铝箔，每年即可减少 25 万吨向大气排放的二氧化碳。 减少制造废物所节省的每一公斤铝都可以转化为耗能冶炼厂节省的电力。 该技术基于控制以前无法控制的长度尺度。成功的设计铸造或“可调”铸造将使用基材修改来控制产品质量。 目标是通过在接触区之前施加热梯度来调节基板。 喷墨打印中的灰度是由相同尺寸的墨点的间距和排列产生的。 以大致相同的方式，建议的梯度将通过热点的排列和间距来建立。激光加热会产生热点。