Posty
While aluminum alloys take longer to solidify compared to magnesium alloys, its alloys provide a longer die life. In addition, aluminum does not require as much finishing work as magnesium. Special treatments and coatings are needed when determining a magnesium casting's application.
When compared to the cost of melting aluminum, new technology has lowered the expenses required to melt magnesium alloys, but casting requires a higher injection speed. Conversely, magnesium has a quicker ejection time over aluminum castings. Magnesium is also better at casting components with thinner walls and tighter tolerances than aluminum.
However, even with the many advantages of magnesium, aluminum remains a less expensive alternative for Radiator Mould.
We'll focus on gas porosity, since it's the bigger problem of the two.
Gas porosity is one of the most significant problems in die casting. High gas content eliminates heat-treating or welding steps and makes the strength of the casting unpredictable. Here are three major sources of gas porosity in die-castings:
Trapped air
Steam
Gas from lubricant
Trapped Air
Turbulence may allow air bubbles to be trapped in the metal. The problem is that the bubbles remain trapped when the Die Casting Parts solidifies. Air can be trapped as follows.
Both die casting and powdered metal methods of metal shaping are very alloy friendly, well-suited to large product runs, provide precision and consistency and can be used to produce both simple and more complex parts. However, powdered metal products tend to be much thicker and heavier than die cast metal parts. On the plus side, the powdered metal process is better suited for ferrous metals and creates parts that are suitable for high operating temperatures. That being said, powdered metal molds tend to be costly and you can make complex parts more easily with die casting.
Premier Die Casting for Your Die Casting Needs
If you've decided that die casting is the appropriate metal-shaping process for your business, Premier Die Casting has more than 72 years of expertise in the field of die casting to share. Premier Die Casting uses the most advanced metal-shaping and metal-finishing technology, as well as the best metal-shaping experts, to create both simple and complex parts quickly, efficiently, economically and of top quality. Premier specializes in aluminum and zinc alloys, and has a tried-and-tested system in place to quickly catch any process issues or unexpected variables.
To learn more about why so many satisfied clients use Premier Die Casting Parts for their metal shaping needs or to learn how Premier's techniques, methods and commitment to quality can be put to work most effectively for you and your business, contact us today.