Journal ArticleDOI
Large-scale fabrication of lightweight Si/SiC ceramic composite optical mirror
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TLDR
In this article, reaction-bonded silicon carbide was used to fabricate the 250mm diameter circular mirror with 30mm thickness and 1.72-kg weight and the 120mm hexagonal mirror with 15mm thickness, and 0.23kg weight.About:
This article is published in Materials Letters.The article was published on 2004-03-01. It has received 68 citations till now. The article focuses on the topics: Silicon carbide & Hybrid silicon laser.read more
Citations
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Bioinspired engineering of honeycomb structure – Using nature to inspire human innovation
Qian-Cheng Zhang,Xiaohu Yang,Peng Li,Guoyou Huang,Shangsheng Feng,Cheng Shen,Bin Han,Xiaohui Zhang,Feng Jin,Feng Xu,Tian Jian Lu +10 more
TL;DR: A review of the interdisciplinary efforts to better understand the design principles for products with honeycomb structures, including their fabrication, performance (e.g., mechanical, thermal and acoustic properties) as well as optimization design is presented in this article.
Journal ArticleDOI
Stereolithography 3D printing of SiC ceramic with potential for lightweight optical mirror
TL;DR: In this article, a SiC ceramic optical mirror was fabricated using stereolithography 3D printing combined with polymer burnout, pre-sintering, and precursor infiltration and pyrolysis (PIP).
Journal ArticleDOI
Hard transparent AlON ceramic for visible/IR windows
Xi Liu,Feng Chen,Fengxia Zhang,Han Zhang,Zongbo Zhang,Jin-Yun Wang,Shiwei Wang,Zhengren Huang +7 more
TL;DR: In this paper, the fabrication methods of aluminum oxynitride (AlON) powder and ceramic, respectively, are reviewed, and it has been observed that the presence of pores and liquid phases in microstructure has negative effect on the improving of transmittance.
Journal ArticleDOI
Stereolithography-based additive manufacturing of lightweight and high-strength Cf/SiC ceramics
TL;DR: In this paper, a novel strategy to prepare chopped carbon fibers (Cf)/SiC ceramic composites through stereolithography combined with liquid silicon infiltration is presented, and the photosensitive suspension including Cf was prepared and Cf preforms with convoluted geometrical shapes were manufactured by DLP technology.
Journal ArticleDOI
Fabrication and characterization of SiC whisker reinforced reaction bonded SiC composite
TL;DR: In this article, the distribution, morphology and reinforcing behaviors of the SiC whisker in the composite were investigated and it was revealed that the introduction of SiC whisper increases the porosity of the green body, and accordingly the bulk density of the composite.
References
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Journal ArticleDOI
A 2dvEv- bit distributed algorithm for the directed Euler trail problem
Wen-Huei Chen,Chuan Yi Tang +1 more
TL;DR: The algorithm can be used as a building block for solving other distributed graph problems, and can be slightly modified to run on a strongly-connected diagraph for generating the existent Euler trail or to report that no Euler trails exist.
Proceedings ArticleDOI
Japanese infrared survey mission IRIS (ASTRO-F)
TL;DR: The IR Imaging Survey (IRIS) is the second IR astronomy mission of the Institute of Space and Astronomical Science (ISAS) as mentioned in this paper, which is a 70 cm cooled telescope dedicated for IR sky survey.
Proceedings ArticleDOI
Developmental history and trends for reaction-bonded silicon carbide mirrors
Mark A. Ealey,Gerald Q. Weaver +1 more
TL;DR: Xintics as discussed by the authors acquired all intellectual property associated with CERAFORM SiC, including patents, processes, proposals, engineering notebook, and trademarks pertaining to SiC. In a subsequent deal, part of the furnace facility was also obtained.
Proceedings ArticleDOI
Application of hot-pressed silicon carbide to large high-precision optical structures
C. James Shih,Andris Ezis +1 more
TL;DR: In this article, a new grade of silicon carbide has been developed with properties that make it very attractive for a variety of applications in precision optical structures and two bonding techniques have been developed for fusing large segments of hot-pressed silicon carbides together into a large monolith for constructing large optical structures without using a metallic braze.
Proceedings ArticleDOI
Large stable mirrors: a comparison of glass, beryllium, and silicon carbide
TL;DR: In this article, a methodology for comparing the structural properties of mirror substrate materials and lightweighting designs is presented, which is used to compare glass beryllium and silicon carbide.