亞洲知識產權資訊網為知識產權業界提供一個一站式網上交易平台，協助業界發掘知識產權貿易商機，並與環球知識產權業界建立聯繫。無論你是知識產權擁有者正在出售您的知識產權，或是製造商需要購買技術以提高操作效能，又或是知識產權配套服務供應商，你將會從本網站發掘到有用的知識產權貿易資訊。

返回搜索結果

A METHOD TO ENHANCE SUPERPLASTICITY

*Abstract: Abstract of US Patent 6,712,916 - Metal Superplasticity Enhancement and Forming Process: A shaped metallic component is formed by friction stirring at least a segment of a single piece of bulk metal to impart superplasticity thereto and thereby yield a single superplastic metal blank from the single piece of bulk metal. The metal blank is then deformed by a metal deformation process such as forging, rolling, drawing, bending, extruding, gas forming, punching, and stamping.Non-Confidential Abstract of Invention: Superplastic forming is used to produce complex components and unitized structures. The superplastic forming rates in conventionally processed commercial aluminum alloys are quite low, 10^-4-10^-3 s-1. Friction stir processing leads to enhanced superplastic properties of metallic materials. For example, a friction stir processed 7075 Al alloy exhibits superplasticity at strain rates higher than 10^-1s-1. In addition to high strain rate superplastic forming, this method can be used to achieve selective superplastic forming, and thick section superplastic forming. Friction stir processing can also be used to obtain microstructure amenable for superplastic forming in a single step from cast or powder metallurgy material.

*Principal Investigation: Name: Rajiv Mishra, Associate Professor of Metallurgical Engineering
Department:

Name: MURRAY MAHONEY
Department:

欲了解更多信息，請點擊這裡