GOALI: A New Manufacturing Method for Low Cost High Performance Titanium
GOALI:低成本高性能钛的新制造方法
基本信息
- 批准号:1561752
- 负责人:
- 金额:$ 48.7万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2016
- 资助国家:美国
- 起止时间:2016-07-01 至 2020-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Titanium alloys can be stronger than steel at much lower weight. The greatest barrier to the widespread use of titanium, however, has been its high cost, much of which comes from high processing costs. A new powder metallurgy process called hydrogen sintering has been introduced that can produce titanium components with the capacity to compete with the mechanical properties of standard titanium parts produced by forging, but at a fraction of the cost. This new process is very promising for dramatically reducing the cost of titanium parts and components. Titanium parts can be used in many applications (biomedical, chemical processing, aerospace, etc.), but have particular benefit to the transportation sector. By reducing the weight of vehicles, significant savings in fuel consumption will be realized, as well as associated reductions in emissions. This award supports a comprehensive study of the fundamental underlying metallurgical processes associated with the titanium powder process, and the mechanical properties that can be achieved by varying process parameters. In this research program, the PIs will systematically study the range of mechanical properties that can be attained by several heat treating options that have already shown the capacity to produce wrought-like microstructures from this novel powder metallurgy approach. Processing parameters will be studied for their effects on phase equilibria in the relevant titanium alloy-hydrogen systems, as well as phase transformations and microstructural evolution as functions of thermal cycles and hydrogen partial pressures, the mechanisms and kinetics of the transformations, and the dependence of mechanical properties, especially the fatigue performance, on the microstructure. By studying these relationships and applying the knowledge gained toward maximizing the strength, ductility and fatigue properties of titanium alloys at substantially lower cost, a major step will be taken toward realizing the full benefit of titanium for industry and society.
钛合金比钢更坚固,重量更轻。然而,钛广泛使用的最大障碍是其高成本,其中大部分来自高加工成本。一种称为氢烧结的新粉末冶金工艺已经被引入,该工艺可以生产出具有与锻造生产的标准钛部件的机械性能相竞争的能力的钛部件,但成本仅为锻造生产的一小部分。这种新工艺对于大幅度降低钛零件和部件的成本是非常有前途的。钛零件可用于许多应用(生物医学、化学加工、航空航天等),但对运输部门特别有利。通过减轻车辆重量,将大大节省燃料消耗,并减少相关的排放。该奖项支持全面研究与钛粉工艺相关的基本冶金工艺,以及通过改变工艺参数可以实现的机械性能。在这项研究计划中,PI将系统地研究可以通过几种热处理方案获得的机械性能范围,这些热处理方案已经显示出从这种新型粉末冶金方法中生产锻造状微观结构的能力。将研究工艺参数对相关钛合金-氢系统中的相平衡的影响,以及作为热循环和氢分压的函数的相变和微观结构演变,转变的机制和动力学,以及机械性能,特别是疲劳性能,对微观结构的依赖性。通过研究这些关系,并应用所获得的知识,以大幅降低成本,最大限度地提高钛合金的强度,延展性和疲劳性能,将朝着实现钛的工业和社会的全部效益迈出重要一步。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Pei Sun其他文献
Divergent Projection Patterns Revealed by Reconstruction of Individual Neurons in Orbitofrontal Cortex
眶额皮层单个神经元的重建揭示了不同的投射模式
- DOI:
10.1007/s12264-020-00616-1 - 发表时间:
2020-12 - 期刊:
- 影响因子:0
- 作者:
Junjun Wang;Pei Sun;Xiaohua Lv;Sen Jin;Anan Li;Jianxia Kuang;Ning Li;Yadong Gang;Rui Guo;Shaoqun Zeng;Fuqiang Xu;Yu-Hui Zhang - 通讯作者:
Yu-Hui Zhang
教育・福祉・コミュティを架橋する(1)
连接教育、福利和社区 (1)
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:0
- 作者:
Ichiro Kuriki;Pei Sun;Kenichi Ueno;& Kang Cheng.;宮崎隆志 - 通讯作者:
宮崎隆志
教育改革の“ リソース” としてのPISA―その批判的検討―
PISA作为教育改革的“资源”:对其进行批判性检验
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:0
- 作者:
Ichiro Kuriki;Pei Sun;Kenichi Ueno;& Kang Cheng.;宮崎隆志;松下佳代 - 通讯作者:
松下佳代
MABAC-based evaluation of multimedia technology application effect in film and television post-production
- DOI:
10.3233/kes-230074 - 发表时间:
2023-11 - 期刊:
- 影响因子:0
- 作者:
Pei Sun - 通讯作者:
Pei Sun
高齢者の認知機能と最長職の経験との関連
老年人认知功能与最长工作经验的关系
- DOI:
- 发表时间:
2011 - 期刊:
- 影响因子:0
- 作者:
Ichiro Kuriki;Shingo Nakamura;Pei Sun;Kazumichi Matsumiya;Kenichi Ueno;Keiji Tanaka;Satoshi Shioiri and Kang Cheng.;平木典子;佐藤豪;中釜洋子;堀内孝治・栗木一郎・松宮一道・塩入諭;石岡良子(共著) - 通讯作者:
石岡良子(共著)
Pei Sun的其他文献
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{{ truncateString('Pei Sun', 18)}}的其他基金
SBIR Phase I: Production of Low-Cost Ti Alloys by Direct Reduction and Alloying
SBIR第一阶段:通过直接还原和合金化生产低成本钛合金
- 批准号:
2051641 - 财政年份:2021
- 资助金额:
$ 48.7万 - 项目类别:
Standard Grant
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