基于专利数据的钛铝合金材料发展态势研究

Research on the Development Trend of Titanium Aluminum Alloy Materials Based on Patent Data

钛铝合金是高推比航空发动机与航天推进系统中极具潜力的候选材料。为了解全球钛铝合金材料知识产权状况,本文对该领域专利进行文献检索、数据提取和计量分析。从专利整体概览、专利技术分析、重点专利分析、专利法律状态的维度予以揭示,呈现出全球钛铝合金材料技术发展态势。研究表明,中国、日本、美国专利申请量多,中国高校、外国企业为该领域专利申请主力军,专利保护核心为合金板材、气体涡轮机等技术主题。

Titanium aluminum alloy is a potential candidate material for high-thrust ratio aeroengines and aerospace propulsion systems.To understand the status of intellectual property rights of titanium aluminum alloy materials,the paper conducts literature search,data extraction and quantitative analysis on patents in the field.It reveals from the dimensions of the overall overview of patents,patent technology analysis,key patent analysis and patent legal status,showing the development trend of global titanium aluminum alloy material technology.The research shows that China,Japan and the United States have a large number of patent applications.Chinese universities and foreign enterprises are the main force of patent applications in this field.The core of patent protection is alloy plate,gas turbine and other technical topics.