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Browsing International Journal by Author "Lydia Anggraini"

Browsing International Journal by Author "Lydia Anggraini"

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  • Analysis of Welding Procedure Specifications for steel line pipe material 
    Rachmat, Rudi Suhradi; Lydia Anggraini; Wandesmoni Sihotang; Kei Ameyama (Universitas Mercubuana, 2022)
    This study proposes the welding process steel line pipe material of API5L Grade X52 diameter Ø8 inch SCH80 type, subjected to the good quality of the product by following the Welding Procedure Specifications (WPS). The ...
  • Experimental study on the performance of multi-layered bulletproof vest 
    Sastranegara, Azhari; Edmun Halawa; Lydia Anggraini (Universitas Mercubuana, 2022)
    A bulletproof vest should have high strength and durability to resist a bullet as vital war equipment. However, the cost of creating good quality bulletproof vest is expensive. Therefore, research about an alternative ...

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