可钻式封隔器以及桥塞等类似的工具一般都用铸铁、铝、塑料或类似的脆性材料制成。
Drillable packers, and similar tools such as bridge plugs, are typically made from cast iron, aluminum, plastic or similar brittle materials.
富铁相为铝硅合金中有害的相，当合金中含铁量较少时，富铁相呈细针、片状脆性相。
The iron-rich phase is harmful to the aluminum-silicon alloy. It constitutes a kind of fine-needle-like or sheet-like brittle phase when the content of iron in the alloy is low.
这是一个理论，认为6061 - T 6铝合金框架将最终失败的铝年龄随着时间的推移，成为脆性。
It is theorized that a 6061-t6 aluminum frame shall eventually fail as the aluminum ages over time and becomes brittle.
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