Company Filing History:
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Title: Changheui Jang: Innovator in Stainless Steel Technology
Introduction
Changheui Jang is a notable inventor based in Daejeon, South Korea. He has made significant contributions to the field of materials science, particularly in the development of advanced stainless steel compositions. With a total of 3 patents, his work focuses on enhancing the properties of stainless steel for various applications.
Latest Patents
One of Changheui Jang's latest patents is for an austenitic stainless steel that contains a large amount of uniformly distributed nanometer-sized precipitates. This innovative steel includes 16 to 26 wt % of chromium (Cr), 8 to 22 wt % of nickel (Ni), 0.02 to 0.1 wt % of carbon (C), 0.2 to 1 wt % of niobium (Nb), and 2 to 3.5 wt % of manganese (Mn). The austenitic stainless steel features a nanosized niobium carbide (NbC) that is uniformly dispersed in the austenite matrix, enhancing its mechanical properties.
Another significant patent involves high-strength Fe–Cr–Ni–Al multiplex stainless steel and its manufacturing method. This multiplex stainless steel comprises 35 to 67 wt % of iron (Fe), 13 to 30 wt % of chromium (Cr), 15 to 30 wt % of nickel (Ni), and 5 to 15 wt % of aluminum (Al). It is designed to maintain integrity under high-temperature conditions, making it suitable for use in light-water reactors and providing exceptional resistance to serious accidents.
Career Highlights
Changheui Jang has worked with prestigious organizations such as the Korea Advanced Institute of Science and Technology and Kepco Nuclear Fuel Co., Ltd. His experience in these institutions has allowed him to collaborate on various research projects aimed at improving material performance in nuclear applications.
Collaborations
Throughout his career, Changheui Jang has collaborated with talented individuals, including Chaewon Kim and Hyunmyung Kim. These partnerships have contributed to the advancement of his research and the successful development of innovative materials.
Conclusion
Changheui Jang's contributions to the field of stainless steel technology highlight his role as a leading inventor in materials science. His patents reflect a commitment to enhancing the performance and safety of