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检索条件：作者= Kiyoshi NOGI　　

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Effect of Gravity on Arc Shape in GTA Welding —for Low Electric Arc Current

Hidetoshi FUJII , Yosuke SUMI , Manabu TANAKA , Kiyoshi NOGI

Gas tungsten arc (GTA) welding was performed both in a microgravity environment and in a terrestrial environment, and the arc shapes in both environments were compared. A microgravity condition was obtained using the free fall system at the Japan Microgravity Center. The system can maintain a 10 s m...

关键词: Microgravity , null , null , null

Tensile Fracture Location Characterizations of Friction Stir Welded Joints of Different Aluminum Alloys

Huijie LIU , Hidetoshi FUJII , Masakatsu MAEDA , Kiyoshi NOGI

材料科学技术（英文）

The tensile fracture location characterizations of the friction stir welded joints of the AA1050-H24 and AA6061-T6 Al alloys were evaluated in this study. The experimental results show that the fracture locations of the joints are different for the different Al alloys, and they are affected by the F...

关键词: Friction stir welding , null , null

Surface Tension of Molten Ni and Ni-Co Alloys

Feng XIAO , Liang FANG , Kiyoshi NOGI

材料科学技术（英文）

Surface tension of molten Ni and Ni-Co (5 and 10 mass fraction) alloys was measured at the temperature range of 1773~1873 K using an improved sessile drop method with an alumina substrate in an Ar+3%H2 atmosphere. The error of the data obtained was analyzed. The surface tension of molten Ni and Ni-C...

关键词: Nickel , null , null , null

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Effect of Gravity on Arc Shape in GTA Welding —for Low Electric Arc Current

Tensile Fracture Location Characterizations of Friction Stir Welded Joints of Different Aluminum Alloys

Surface Tension of Molten Ni and Ni-Co Alloys

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