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Types of Casting Aluminum

casting aluminum

Whether you are a manufacturer of industrial products or simply interested in a new hobby, casting aluminum is a great way to get started. You can choose from many types of casting and casting methods . Whether you want to cast aluminum for a model airplane or a statue of a person, you can find various ways to get started.

Die casting

Known for its excellent corrosion resistance and heat resistance, aluminum has been the raw material of choice for many automotive and aerospace companies. Aluminum is also used for a wide range of applications. It is widely used for household antennas, marine hardware, and lighting fixtures.

As automobile manufacturers focus on producing lighter and more efficient vehicles, demand for lightweight materials like aluminum is expected to expand. Its tensile strength and ductility are ideal for a variety of applications. It is also a very aesthetically pleasing material to work with.

Aluminum’s strength and corrosion resistance are also suitable for die casting. Aluminum alloys, such as alloy A380, are commonly used. The alloy has a combination of strength, ductility, and corrosion resistance that makes it ideal for various automotive, aerospace, and industrial applications.

Sand casting

During aluminum sand casting, an aluminum part is molded in a mold made of molding sand and clay. The mold is then placed into a box for filling with molten metal. The mold is then cooled, and the part is cut.

Sand casting is an inexpensive way to produce castings. It is also very versatile, allowing for the production of castings in various sizes and shapes. It can make aluminum castings, bronze castings, and magnesium alloy castings.

During casting, the molten metal will expand and contract, causing the metal to contract unevenly. This uneven contracting can lead to cracking or straining of the casting.

The molten metal can be brass, bronze, iron, or aluminum. The metal is then poured into a hollow mold shape. The mold is then cooled and the casting hardens.

Investment casting

Among the many casting processes available, aluminum investment casting is an excellent choice for intricate lightweight components. The aluminum alloy can be used in a variety of applications, including aerospace, electronics, and the military. Its low density and fluidity make it an ideal choice for heat sinks.

Casting aluminum investment parts can be done in either a manual or an automated process. The most common metal used for investment casting is aluminum alloy. It has excellent corrosion resistance and machinability. It’s also an excellent choice for heat sinks and electronic enclosures.

Aluminum investment casting can also be done in a semi-permanent or permanent mold. Depending on the foundry’s capabilities, permanent mold casting can produce stronger, more durable parts. Permanent metal molds are made from steel and iron. They are used to make repeatable parts.

Corrosion rates of AZ91 in the Texas gulf

AZ91 and its cousins the AZ91A T6 and AM50 are ubiquitous in the automotive industry for good reason. This fact prompted researchers to put them to the test. Most tests lasted a mere couple of days with a few elapsed times in between. As with most things involving magnesium, there were no guarantees that the components would perform as well as expected. Nonetheless, the results were promising. While there was nothing to write home about, the findings revealed that there are some interesting shortcomings in the current state of the art. This was especially true for the aforementioned AM50, which was found to be susceptible to delamination in an accelerated fashion. Hopefully, this can be remedied in the near future. One last caveat to keep in mind is that the aforementioned AZ91A T6 and AM50 represent a small fraction of the aforementioned automotive component pool.

Corrosion rates of 7000 series alloys

7000 series alloys are aluminum alloys that have been added with magnesium, manganese and zinc. These alloys are used for marine environments, rail engine manufacturing and aircraft applications. They are characterized by good strength, corrosion resistance and weldability.

The strength of these alloys is about 110MPa. Their corrosion resistance is similar to that of the 2000 series alloys. In addition, they are easy to machine and easily coated. However, they are prone to stress corrosion cracking. They are also susceptible to hydrogen embrittlement.

These alloys can be heat treated for improved corrosion resistance. However, they are not as strong as the 2000 series alloys. These alloys have an E corr value of -0.959 V SCE for as-cast and heat treated samples. It is very close to the E corr values for steel.