Composite product, preform for making the composite product and process of making the preform

摘要

A preform used as a reinforcement of a composite product is formed by heating a homogeneous slurry mixture of oxide type ceramic particles and/or oxide type ceramic whiskers which are reactive with magnesium (Mg) and a metal oxide having standard energy of formation equal to or less than a magnesium oxide (MgO) or an inorganic compound formed by decomposing the metal oxide to sinter the oxide type ceramic particles and/or oxide type ceramic whiskers.