首页>
外文OA文献
>A Stainless-Steel Mandrel for Slumping Glass X-ray Mirrors
【2h】
A Stainless-Steel Mandrel for Slumping Glass X-ray Mirrors
展开▼
机译:悬挂玻璃X射线镜的不锈钢芯轴
展开▼
免费
页面导航
摘要
著录项
相似文献
相关主题
摘要
We have fabricated a precision full-cylinder stainless-steel mandrel at Marshall Space Flight Center. The mandrel is figured for a 30-cm diameter primary (paraboloid) mirror of an 840-cm focal-length Wolter-1 telescope. We have developed this mandrel for experiments in slumping.thermal forming at about 600 C.of glass mirror segments at Goddard Space Flight Center, in support of NASA's participation in the International X-ray Observatory (IXO). Precision turning of stainless-steel mandrels may offer a low-cost alternative to conventional figuring of fused-silica or other glassy forming mandrels. We report on the fabrication, metrology, and performance of this first mandrel; then we discuss plans and goals for stainless-steel mandrel technology.
展开▼