Sadao Nishikiori

Title: Sadao Nishikiori: Innovator in Brazing Technology

Introduction

Sadao Nishikiori is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of brazing technology, holding a total of four patents. His work focuses on innovative materials and methods that enhance the performance and reliability of brazing processes.

Latest Patents

Nishikiori's latest patents include a Ni-based brazing composition and a braze repair method. The Ni-based brazing composition contains, in mass %, 1.0% or more and 1.3% or less of B, 4.0% or more and 6.0% or less of Si, with the balance consisting of Ni and unavoidable impurities. This composition forms a dispersed phase containing B or Si in a metal texture after brazing, with a maximum length of the dispersed phase being 30 μm or less. Another significant patent involves a titanium aluminide cast made from a TiAl alloy, which includes 46 to 50 at % of Al and specific limits on Mo, V, and Si content. The method of making this alloy involves heating it to a melt, pouring it into a mold, and cooling it at a controlled rate.

Career Highlights

Throughout his career, Sadao Nishikiori has worked with prominent companies such as Ishikawajima-Harima Heavy Industries Co., Ltd. and IHI Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas in brazing technology.

Collaborations

Nishikiori has collaborated with notable coworkers, including Naoki Oiwa and Tsukasa Wakabayashi. Their combined expertise has contributed to advancements in the field of brazing.

Conclusion

Sadao Nishikiori's contributions to brazing technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry positively, showcasing the importance of innovation in material science.