Fabrication of High Pressure Rocket Combustor by Powder Metallurgy
粉末冶金高压火箭燃烧室的制造
基本信息
- 批准号:01850151
- 负责人:
- 金额:$ 3.97万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Developmental Scientific Research
- 财政年份:1989
- 资助国家:日本
- 起止时间:1989 至 1991
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The processing conditions for the fabrication of high pressure and long life rocket thrust chamber with sintered outer shell were investigated. Powder metallurgical route was selectively employed because of its viability of property control and shape forming. The microstructural control and mechanical property measurements were studied on the alloy systems of of Al-Cu and Cu-Ag for the application to the outer shell of the thrust chamber. The bonding strength of the sintered interface between the outer shell and copper inner shell, as well as net shaping of throat model which simulates the actual rocket thrust chamber. Perticular attention was paid on the control of the porosity of sintered outer shell, which is effective for the lower stiffness of the sintered shell and thus ensures long life use of the rocket engine.The plating of tin or siler was found to be effective for an improved bonding between sintered outer shell and the copper inner throat. A sufficient bonding strength, as well as deffect-free bonding interface, was realized by the control of liquid phase formation and pressurizing during sinter-bonding. The bonding behavior between the outer and inner shell was studied more in datail using a more realistic throat model. Insufficient bonding was often observed at the throat. the shoulder and the edge of the straight part of the model ; which were eliminated by proper conditions of the pressurizing and liquid phase formation.
研究了采用烧结外壳制造高压长寿命火箭推力室的工艺条件。由于粉末冶金工艺在性能控制和成形方面的可行性,因此有选择地采用粉末冶金工艺。研究了Al-Cu系和CuAg系合金在推力室壳体上的组织控制和力学性能测试。建立了模拟实际火箭推力室的喉部模型,计算了壳体与铜质内壳的结合强度。尤其是对烧结壳体气孔率的控制,有效地降低了烧结体的硬度,保证了火箭发动机的长寿命使用。镀锡或镀银能有效地改善烧结壳体与铜内喉道之间的结合。通过控制烧结过程中的液相形成和加压,实现了足够的结合强度和无缺陷的结合界面。采用更为真实的喉道模型,对壳体与壳体之间的粘结行为进行了较为深入的研究。在喉咙处经常可以观察到粘合不足。通过适当的加压和液相形成条件,消除了模型直线段的肩部和边缘。
项目成果
期刊论文数量(6)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Ryuzo Watanabe, Masaki Sasaki, Masayki Niino Nobuyuki Yatsuyanagi: "Powder Metallurgical Fabrication of High Pressure Rocket Combustor" Journal of the Japan Society of Powder and Powder Metallurgy.
Ryuzo Watanabe、Masaki Sasaki、Masayki Niino Nobuyuki Yatsuyanagi:“高压火箭燃烧器的粉末冶金制造”日本粉末与粉末冶金学会杂志。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
渡辺 龍三,佐々木 正樹,新野 正之,八柳 信之: "粉末成形法によるロケット高圧燃焼器の試作" 粉体および粉末冶金.
Ryuzo Watanabe、Masaki Sasaki、Masayuki Niino、Nobuyuki Yayanagi:“采用粉末成型方法制造火箭高压燃烧器的原型”粉末和粉末冶金。
- DOI:
- 发表时间:
- 期刊:
- 影响因子:0
- 作者:
- 通讯作者:
渡辺 龍三,佐々木 正樹,新野 正之,八柳 信之: "粉未成形法によるロケット高圧燃焼器の試作" 粉体および粉末冶金.
Ryuzo Watanabe、Masaki Sasaki、Masayuki Niino、Nobuyuki Yayanagi:“使用未成型粉末法制造火箭高压燃烧器的原型”粉末和粉末冶金。
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WATANABE Ryuzo其他文献
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{{ truncateString('WATANABE Ryuzo', 18)}}的其他基金
Powder Metallurgical Processing and Development of Functional Composites
粉末冶金加工及功能复合材料的开发
- 批准号:
11221203 - 财政年份:1999
- 资助金额:
$ 3.97万 - 项目类别:
Grant-in-Aid for Scientific Research on Priority Areas (B)
Powder Metallurgical Fabrication of Artificial Tooth Root of Hydroxyapatite/Ti with Bio-mimetic Structure
粉末冶金仿生结构羟基磷灰石/钛人工牙根的制备
- 批准号:
10555239 - 财政年份:1998
- 资助金额:
$ 3.97万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Optimization of fatigue property of ceramic coating for next-generation gas turbine
新一代燃气轮机陶瓷涂层疲劳性能优化
- 批准号:
09305048 - 财政年份:1997
- 资助金额:
$ 3.97万 - 项目类别:
Grant-in-Aid for Scientific Research (A)
Fracture Toughness Control in Functionally Gradient Material
功能梯度材料的断裂韧性控制
- 批准号:
07045018 - 财政年份:1995
- 资助金额:
$ 3.97万 - 项目类别:
Grant-in-Aid for international Scientific Research
Development of Thermal Shock Testing System for Functionally Graded Materials
功能梯度材料热冲击测试系统的研制
- 批准号:
06555190 - 财政年份:1994
- 资助金额:
$ 3.97万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research (B)
Consolidation of low-sinterability powders with applying medium isostatic pressure
通过施加中等等静压来固结低烧结性粉末
- 批准号:
06452331 - 财政年份:1994
- 资助金额:
$ 3.97万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Fabrication of Multi-Functional Sintered Materials with Graded Compositional Distribution
具有梯度成分分布的多功能烧结材料的制造
- 批准号:
03453064 - 财政年份:1991
- 资助金额:
$ 3.97万 - 项目类别:
Grant-in-Aid for General Scientific Research (B)
Fabrication of Multi-Functional Ceramic Composites by Slurry Stacking Method
浆料堆积法制备多功能陶瓷复合材料
- 批准号:
03555146 - 财政年份:1991
- 资助金额:
$ 3.97万 - 项目类别:
Grant-in-Aid for Developmental Scientific Research (B)
Hot Powder Vehicle Compaction of an Atomized Stainless Steel Powder
雾化不锈钢粉末的热粉末载体压实
- 批准号:
62550496 - 财政年份:1987
- 资助金额:
$ 3.97万 - 项目类别:
Grant-in-Aid for General Scientific Research (C)
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