About half of all aluminium castings are made using high-pressure die-casting (HPDC), in which a molten aluminium alloy is injected under pressure into a steel mould, or die.

大约有一半的铸铝工艺是高压模铸(HPDC)，在这种工艺中，通过压力将液态铝合金注入钢模，或模具。

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When low alloy steel replaced carbon steel castings, a series of questions were uncovered in traditional sand casting process.

铸钢材质升级为低合金钢后，传统的砂型铸造工艺在生产中暴露出了一系列问题。

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Results showed that satisfactory alloyed layer could be also formed on steel castings without adding fusing agent into alloy coating.

研究表明，合金涂层中不加熔剂也能形成质量较好的合金层；

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