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Dive into the research topics where Shuhei Nakahama is active.

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Featured researches published by Shuhei Nakahama.


Corrosion | 2002

Effect of Titanium and Aluminum Contents on the Grain-Boundary Sulfidation of a Nickel-Based Superalloy

Hiroshi Yakuwa; Matsuho Miyasaka; Shuhei Nakahama; T. Ohno; T. Uehara; T. Nonomura; Toshio Narita

Abstract The effect of grain-boundary carbides on grain-boundary sulfidation was investigated on a Ni-based superalloy (Ni-20%Cr-13.5%Co-4%Mo-1.5%Ti-3%Al), which was developed for the fluid catalyt...


Corrosion | 2001

Sulfidation-Resistant Nickel-Based Superalloy for Fluid Catalytic Cracking Gas Expander Turbine

Hiroshi Yakuwa; Matsuho Miyasaka; Tetsu Go; Shuhei Nakahama; Masamichi Kawasaki; Cheng Fang; Toshio Narita

Abstract A Ni-based superalloy with excellent sulfidation resistance, high-temperature tensile properties, and hot workability was developed as a material for the rotors of fluid catalytic cracking...


Wear | 2005

Slurry wear and cavitation erosion of thermal-sprayed cermets

Kenichi Sugiyama; Shuhei Nakahama; Shuji Hattori; Keisuke Nakano


Archive | 1993

Screw rotor and method of manufacturing the same

Tsutomu Takahashi; Shuhei Nakahama


Archive | 1992

Screw rotor comprising a plurality of thin plates

Tsutomu Takahashi; Shuhei Nakahama


Archive | 2001

Manufacturing process of nickel-based alloy having improved hot sulfidation-corrosion resistance

Toshiaki Nonomura; Takehiro Ohno; Toshihiro Uehara; Hiroshi Yakuwa; Matsuho Miyasaka; Shuhei Nakahama; Shigeru Sawada


Archive | 2001

Superalloy excellent in high-temperature sulfur corrosion resistance and manufacturing method therefor

Matsusuke Miyasaka; Shuhei Nakahama; Toshiaki Nonomura; Takehiro Ono; Shigeru Sawada; Toshihiro Uehara; Hiroshi Yakuwa; 利弘 上原; 修平 中浜; 浩 八鍬; 丈博 大野; 松甫 宮坂; 茂 澤田; 敏明 野々村


Archive | 2003

Abrasion resistant surface treatment method of a rotary member, runner, and fluid machine having runner

Shuhei Nakahama; Toru Ishido; Masaru Takahashi; Yasuo Asano; Hiroshi Nagasaka


Archive | 2001

Manufacturing process of nickel-based alloy having improved high temperature sulfidation-corrosion resistance

Toshiaki Nonomura; Takehiro Ohno; Toshihiro Yonago-shi Uehara; Hiroshi Yakuwa; Matsuho Miyasaka; Shuhei Nakahama; Shigeru Sawada


Archive | 1997

High-temperature sulfidation-corrosion resistant nickel-base alloy

Hiroshi Yakuwa; Matsuho Miyasaka; Toshio Narita; Shuhei Nakahama; Masamichi Kawasaki

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