A.0.5 B.0.25~0.35 C.1 D.0.22 E.0.75
A.75%~85% B.5%~8% C.4% D.10% E.1%
A.烤瓷的熱膨脹系數(shù)均應(yīng)大于金屬的熱膨脹系數(shù) B.金屬與瓷的熱膨脹系數(shù)之差在0~0.5×10-6/℃ C.烤瓷材料的燒結(jié)溫度應(yīng)低于金屬的熔點(diǎn) D.金屬表面極度清潔和光滑,才能保證其有良好的潤濕性能 E.可在烤瓷加負(fù)熱膨脹系數(shù)或熱膨肋系數(shù)大的物質(zhì),以調(diào)整烤瓷的熱脖脹系數(shù)