The injection mold for aluminum alloys is burdened with particular technical problems like porosities and cracks. Defects of this nature definitely lowers the quality of the resultant product which in turn hinders production efficiency across several sectors. Hence it is reecommended that the problem is solved. 

Porosity in injection molding of aluminum alloys takes the form of small holes or bubbles. This defect can arise as a result of inadequate venting, solidification, or even rapid entrapment of the gas. To solve excessive porosity, one focus should be on undersized gates/venting, clean and dry raw materials. Furthermore, use of degassing agents, moderation of injection speeds and thorough temperature control will help loosen gas entrapment.

Cracks can form due to the overwhelming tension produced while the mold is cooling and solidifying. These stresses can cause surface defects which can greatly deteriorate the structural integrity. To avoid crack formation it is imperative that a moderation in the cooling rate is implemented along with proper mold temperature restrictions and uniform circulation of the fluid. Processes like temperature control of molds, alongside stress relieving treatments will alleviate cracks.

Besides dealig with porosity and cracking, manufacturers need to concentrate on improving the injection molding process to increase product quality. These may include developing the design of the mold, improving the handling of the materials, and increasing the level of quality control. With the adoption of these strategies, the manufacturers can address the technical problems of aluminum alloy injection molding and produce quality components that satisfy the needs of their customers.