But instead of depletion in Cr, a region depleting in Titanium, with internal oxides along grain boundaries and dispersed oxysulfide particles of yttrium and titanium is observed.

• 腐蚀层下没有贫铬现象,而出现贫钛区与沿晶界的内氧化物以及钇与钛的硫氧化物的分散质点。