FAR-INFRARED-RAY RADIATION MATERIAL AND MANUFACTURING METHOD THEREFOR

摘要

PROBLEM TO BE SOLVED: To improve the heat-resistant strength and the heat-resistant emissivity of a far infrared ray radiation material. SOLUTION: An aluminum layer containing 3-12 wt.% silicon and having a thickness of 5-200μm is coated on a base material 11 to produce a composite material 11. The composite material 11 is heated at 500-900 deg.C to form an alloyed layer 12 of aluminum and iron and an aluminum oxide layer 13 on the composite material 11. The aluminum oxide layer 13 is to contain 3-12 wt.% silicon.