The research on rheological properties of 316L stainless steel metal powder is of great significance to the optimization and control of powder injection molding (metal powder Injection Molding, MIM) process.
The following are the possible contents of the research on the rheological properties of 316L stainless steel metal powder injection molding raw materials:
Powder characteristics analysis: analyze the characteristics of 316L stainless steel metal powder, including particle size distribution, shape, surface characteristics (such as powder surface area, degree of oxidation), fluidity, etc. Use powder analysis instruments and methods, such as laser particle size analyzers, gas specific surface area meters, fluidity testers, etc., to obtain physical and chemical performance data of powders.
Rheological property test: use a rheometer to test the rheological property of 316L stainless steel metal powder. Measure the rheological behavior of the powder under different shear rates and shear stresses, and obtain data such as the rheological curve, viscosity, and shear stress-shear rate relationship of the powder.
Research on influencing factors: Study the factors affecting the rheological properties of 316L stainless steel metal powder. Including powder characteristics (such as particle size, shape, surface characteristics), powder content, additives (such as plasticizers, lubricants), temperature and other factors on the rheological properties of feed.
Model and simulation: According to the rheological performance test data, establish a suitable mathematical model and rheological model to describe the rheological behavior of 316L stainless steel metal powder. Through numerical simulation and model verification, predict and optimize the feeding process and filling process to improve the molding quality and efficiency of injection molding.
Feed system optimization: According to the research results of rheological properties, according to the characteristics of 316L stainless steel metal powder injection molding, optimize the design and parameter settings of the feed system. Including the geometric structure of the feeding device, the adjustment of feeding speed and pressure, the control of feeding temperature, etc., to achieve stable feeding and uniform distribution of powder.
Experimental verification and quality control: through experimental verification and process control, verify the rheological performance data obtained in the research and the validity of the optimization strategy. Evaluate the impact of the rheological properties of the incoming material on the quality of the finished product by means of quality control, such as dimension measurement of injection molded parts, density measurement, defect detection, etc.
The above is the content that may be involved in the research on the rheological properties of 316L stainless steel metal powder injection molding raw materials. Through in-depth research and optimization of rheological properties, efficient feeding and precise injection of 316L stainless steel metal powder can be realized, and the process controllability and finished product quality of injection molding can be improved.