Hitachi, Ltd.

Proterial, Ltd.

Kenichiro Kunitomo

Osamu Ikeda

Hiroshi Shiratori

Nobuya Sekiyama

Hirotsugu Kawanaka

Shuho Koseki

Tomotake Touhei

A member includes a first metallic region made of a first material; a second metallic region made of a second material that is a different from the first material; and a mix region made of mixture of the first and second materials between the first and second metallic region. In a cross-sectional view, an interface between the first metallic region and the mix region is represented by a line having a first curved line protruding toward the first metallic region and a second curved line protruding toward the first metallic region, and an angle at a cross point of the first and second curved lines, the angle being made by a tangent line of the first curved line and a tangent line of the second curved line in a region of the first metallic region, is equal to or larger than 70 degrees and smaller than 180 degrees.

Member and method of manufacturing the same

Provided is a method of molding a composite material by laser metal deposition in which a powder metal material is irradiated with a laser beam while supplying the powder metal material onto a surface of a base material, in which the powder metal material is a mixed powder of an Fe alloy powder and a Cu powder, and a mixing ratio of the Fe alloy powder and the Cu powder is 15% or more and 30% or less by weight % of the Cu powder, and in which the composite material having anisotropy is molded by setting energy of the laser beam to be 9 KJ/g or more and 10 KJ/g or less in a mixed powder ratio.

Method of molding anisotropic composite material and die using anisotropic composite material

Warping or peeling is suppressed in a composite structure of structures made of different constituent materials. Provided is a composite structureobtained by joining a first structureand a second structuremade of a different material from a material of the first structure, wherein a part of the second structureis incorporated in a cavityof the first structure, and a part of the first structureis incorporated in a cavity () of the second structure

Composite structure

Growing community of inventors

Tokyo, Japan

Kenichiro Kunitomo