Analysis and optimization of various process parameters and effect on the hardness of SS-304 stainless steel welded joints.

Autor: Singh, Gurbhej, Singh, Harmanjit, Sharma, Yogita, Vasudev, Hitesh, Prakash, Chander
Zdroj: International Journal on Interactive Design & Manufacturing; Jul2024, Vol. 18 Issue 5, p2889-2896, 8p
Abstrakt: Welding using a metal inert gas, also known as MIG welding, is an acceptable method for joining stainless steel. The impact of welding parameters on the hardness of the welded connections was investigated in the work that is being presented here. These welding parameters include gas flow rate, current, and voltage. Regarding the data that were acquired through experimentation, the modification was carried out using MINITAB. The design matrix of the trials was figured out by using the design of the experiment (DOE) program Minitab 21.1.0. The number of input parameters that were used was the primary factor in this determination. The Taguchi orthogonal matrix methodology (Taguchi) technique was used to generate some empirical analyses for maximal suitable surface hardness as a function of the aforementioned welding parameters. These analyses were used to make some recommendations for improving the welding process. The typical reaction to the degree of difficulty If there is a variation in the gas flow rate (GFR), it is crystal obvious that level 3 for a gas flow rate of value corresponds to 219 HV0.3, which is indicated as the best circumstance for obtaining the optimal value of hardness. At level 1, for the value of current 70 amperes, it results from the value 222 HV0.3, which demonstrates the optimal condition for hardness, when a fluctuation of current is considered to be a factor in the calculation. At level 1, for a voltage value of 20 volts, it results in a value of 216 HV0.3, which is indicated as the best condition of optimal hardness. This is pointed out as the best condition of optimum hardness. [ABSTRACT FROM AUTHOR]
Databáze: Complementary Index