2021
DOI: 10.3390/ma14133617
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Effect of Heat Input on the Ballistic Performance of Armor Steel Weldments

Abstract: The purpose of this study is to examine the projectile penetration resistance of the base metal and heat-affected zones of armor steel weldments. To ensure the proper quality of armor steel welded joints and associated ballistic protection, it is important to find the optimum heat input for armor steel welding. A total of two armor steel weldments made at heat inputs of 1.29 kJ/mm and 1.55 kJ/mm were tested for ballistic protection performance. The GMAW welding carried out employing a robot-controlled process.… Show more

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Cited by 16 publications
(18 citation statements)
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“…Most possibly the increase in heat input contributes to growing the grains. This might be the reason why the HHI has promoted a decrease in hardness, as reported by Reddy and Mohandas [ 16 ] as well as Savic and Cabrilo [ 25 ]. 3rd region: located close to the FZ/HAZ interface with comparatively higher hardness as a result of either coarse or thin martensite (384–275 HV).…”
Section: Resultsmentioning
confidence: 64%
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“…Most possibly the increase in heat input contributes to growing the grains. This might be the reason why the HHI has promoted a decrease in hardness, as reported by Reddy and Mohandas [ 16 ] as well as Savic and Cabrilo [ 25 ]. 3rd region: located close to the FZ/HAZ interface with comparatively higher hardness as a result of either coarse or thin martensite (384–275 HV).…”
Section: Resultsmentioning
confidence: 64%
“…In addition to works focusing on microstructure, those on process conditions effects, such as different welding techniques [ 20 ]; thermal cycling [ 17 ]; filler [ 21 ]; welding consumables [ 22 ]; welded joint design [ 23 ]; protective weld coatings [ 24 ] and welding heat input [ 16 , 25 ], have also been conducted. As above mentioned, heat input is a welding process parameter that might significantly affect the ballistic performance of Q&T HHA.…”
Section: Introductionmentioning
confidence: 99%
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