Study on rainwater effect on mechanical properties of ageing FS3300PA SLS material with different coating conditions

Baharuddin, Muhamad Haziq (2023) Study on rainwater effect on mechanical properties of ageing FS3300PA SLS material with different coating conditions. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Ninety-eight (98) percent of the fresh water supply that flows in the country comes from rivers naturally. These statistics show that the status and quality of river water needs to be emphasized so that water pollution in the country is always in good condition and ensures the sustainability of community life in the country. Statistics show some of the largest countries in the world such as China, India, and Nigeria are the top three countries that suffer from water pollution problems and have caused a large number of deaths each year. Malaysia is also one of the countries that suffer from water pollution problems that can cause widespread harm to the local community. Furthermore, water pollution can have a negative impact on the health, environment and economy of the country. In addition, in this case as well, water pollution itself will give the effect of climate change that will result in increased water levels, floods and bad weather as well as making the country will be hit by major disasters almost every year. In Malaysia, the tourism, manufacturing and water transport industries are among the industries that result in direct and indirect water pollution. The problem presented also occurs in Melaka which is a Historic City. At this time, Sungai Melaka is also under monitoring due to the pollution that occurred. Although legal action is taken against the offenders who will but as such go unnoticed by the public. Through the implementation of projects to maintain the quality of river water has not yet brought the level of water pollution to a lower level. Therefore, the study of the main causes of water pollution needs to be studied and determined, especially in the spatial variation in the Melaka River. Therefore, this study was conducted to determine the reduction strength of F3300PA nylon by using SS402P 3D Selective Sintering Laser printing machine, which will print some nylon samples to be observed for the tensile test. The nylon material also has been observed the percentage weight increase and percentage expand increase to study the effect of rainwater to the FS3300PA. Material selection Polyamide-12 (PA-12) is a material that has its own properties and withstands pressure when on the surface of water. Among other reasons for choosing this material is because it is suitable for use on the SLS 3D SS402P printing machine that prints this material into three dimensions using a laser due to 70 kilowatts of power generated by the machine. This study will perform field tests to determine the mechanical properties of the new FS3300PA and some different coating condition of it. The dimension of the sample needs to be measured for comparing with the actual dimension. The weight of the sample also has been weighed to observe the percentage weight increase of the material due to soaking into the rainwater. The last methodology of this study is to test the specimen. It will be observing the tensile strength due to the different types of condition by using 100KN Universal Tensile Machine. This project is also expected to help other projects such as Hydro Quality System and River Trash Collector System in testing the types of condition durability and strength of materials and their position among doing printing in the laboratory.

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