<p>The invention relates to molten grains having the following chemical composition in wt % in terms of oxides: Al2O3: balance to 100%; Zr02+Hf02: 16-24%; MgO in an amount such that the weight ratio (ZrO2+ HfO2)/MgO is between 25 and 65; other species: 0-2%. The grains can be used as abrasive grains.</p>
申请公布号
WO2010041223(A1)
申请公布日期
2010.04.15
申请号
WO2009IB54444
申请日期
2009.10.09
申请人
SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN;MARLIN, SAMUEL;PETIGNY, SYLVAIN
