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鎢鈷合金又稱碳化鎢-鈷硬質(zhì)合金。按鈷含量,可分為高鈷(20%~30%)、中鈷(10%~15%)和低鈷(3%~8%)三類。這類金屬陶...
2024
PPE是聚苯醚,是一類耐高溫的熱塑性樹脂,同時是一種綜合性能優(yōu)良的熱塑性工程塑料。PPE的優(yōu)異電性能使其廣泛應(yīng)...
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