摘要 |
<p>A foamed metal which has an apparent specific gravity of from 0.2 to 0.8 and comprises an aggregate of polygonal closed cells of from 2 to 10 mm in average diameter. The a foamed metal is not only light in weight, free of directionality and structurally strong but also excellent in sound-absorbing and electromagnetic shielding properties, and is useful as constructional, structural or functional material. A method for producing the foamed material comprises adding calcium as a thickening agent to molten aluminum or alloy thereof in an amount of from 0.2 to 8% by weight, followed by agitating to adjust the viscosity of the melet, then adding from 1 to 3% by weight of powdered titanium hydride as a foaming agent to the melt, and agitating the melt to effect foaming.</p> |
申请人 |
DIRECTOR-GENERAL OF THE AGENCY OF INDUSTRIAL SCIENCE AND TECHNOLOGY;SHINKO KOSEN KOGYO KABUSHIKI KAISHA ALSO KNOWN AS SHINKO WIRE CO. LTD. |
发明人 |
AKIYAMA, SHIGERU GOV. IND. RES. INST.;UENO, HIDETOSHI GOV. IND. RES. INST.;IMAGAWA, KOJI GOV. IND. RES. INST.;KITAHARA, AKIRA GOV. IND. RES. INST.;NAGATA, SUMIO GOV. IND. RES. INST.;MORIMOTO, KAZUO GOV. IND. RES. INST.;NISHIKAWA, TOORU GOV. IND. RES. INST.;ITOH, MASAO GOV. IND. RES. INST. |