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专利名称：METHOD OF MAKING A FECRAL MATERIAL
AND SUCH MATERIAL---------发明人：BERGLUND, Roger,MAGNUSSON,
Jonas,JÖNSSON, Bo
申请号：EP00990143.0申请日：20001218公开号：EP1257375A1公开日：20021120
摘要：A method of producing an FeCrAl material by gas atomization, wherein inaddition to containing iron (Fe), chromium (Cr) and aluminium (Al) the material alsocontains minor fractions of one or more of the materials molybdenum (Mo), hafnium (Hf),zirconium (Zr), yttrium (Y), nitrogen (N), carbon (C) and oxygen (O). The invention ischaracterized by causing the smelt to be atomized to contain 0.05-0.50 percent by weighttantalum (Ta) and, at the same time, less than 0.10 percent by weight titanium (Ti).According to one highly preferred embodiment, nitrogen gas (N2) is used as an atomizinggas towhich a given amount of oxygen gas (O2) is added, said amount of oxygen gasbeing such as to cause the atomized powder to contain 0.02-0.10 percent by weightoxygen (0) at the same time as the nitrogen content of the powder is 0.01-0.06 percentby weight. The invention also relates to a high temperature material.
申请人：SANDVIK AKTIEBOLAG
地址：811 81 Sandviken SE
国籍：SE
代理机构：Örtenblad, Bertil Tore
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