The effect of the current pulsation frequency on heat supply results during pulsed current TIG welding in 301L stainless steel | Zendy

Małgorzata Ostromęcka | Zendy; A. Kolasa | Zendy

Open Access

The effect of the current pulsation frequency on heat supply results during pulsed current TIG welding in 301L stainless steel

Author(s) -

Małgorzata Ostromęcka,

A. Kolasa

Publication year - 2019

Publication title -

welding technology review

Language(s) - English

Resource type - Journals

eISSN - 2449-7959

pISSN - 0033-2364

DOI - 10.26628/wtr.v91i8.1046

Subject(s) - gas tungsten arc welding , welding , constant current , materials science , metallurgy , current (fluid) , duty cycle , constant (computer programming) , austenite , microstructure , heat affected zone , arc welding , voltage , engineering , electrical engineering , computer science , programming language

The paper presents the influence of pulsation frequency on the results of pulsed current TIG welding based on two criteria: geometric parameters of weld and changes in microstructure. The investigations were carried out for 301L austenitic stainless steel with constant current parameters, constant welding speed, 50% duty cycle ratio and constant heat input. The results were referred to the commonly used methods for measuring the amount of heat input.

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