Rotary Friction Welding (RFW) merupakan metode pengelasan keadaan padat yang mampu menghasilkan sambungan tanpa memerlukan logam pengisi. Prinsip pengelasan gesek yaitu penyambungan logam oleh panas akibat gesekan, logam satu berotasi dan logam lainnya bergerak lurus dibawah pengaruh tekanan aksial. Material yang digunakan yaitu baja tahan karat AISI 304 berdiameter 16 mm. Penelitian ini bertuj…
Penelitian ini bertujuan untuk mengetahui pengaruh variasi elektroda las SMAW (Shielded Metal Arc Welding) pada proses reparasi camshaft berbahan besi cor kelabu terhadap struktur mikro dan kekerasan material. Camshaft yang mengalami keausan umumnya diperbaiki dengan metode pengelasan, namun pemilihan elektroda yang tidak tepat dapat mempengaruhi sifat mekanik dan struktur material hasil repara…
In the field of language teaching, various methods have been used to improve student learning outcomes, one of which is Project-Based Learning (PjBL) in speaking instruction. Speaking is an important skill, yet students still face difficulties despite the implementation of Project-Based Learning. Therefore, this study was designed as a qualitative study to explore the implementation of …
The low reading skill proficiency among tenth-grade vocational high school students can be attributed to a range of internal and external factors that impede their English language learning. This study investigated the use of the Team Games Tournament (TGT) to improve students' reading skills at SMK N 1 Windusari during the 2024/2025 academic year. This study used a quantitative pre-e…
The teaching of writing depends on the use of appropriate teaching techniques and learning media to support students in developing ideas and organizing texts logically. One instructional approach that can be applied in writing classes is the Presentation, Practice, Production (PPP) technique, particularly when supported by visual learning aids such as flashcards. This research examines …
Reading is one of the important skills that students need to develop because it helps them gain information and understand new knowledge. At the junior high school level, students are expected to be able to comprehend narrative texts. However, in reality, many students still face difficulties in understanding reading materials. They often have low motivation, limited comprehension, and …
Reading comprehension is an important skill that helps students understand and interpret written texts. In learning English, students need this skill to obtain information and understand ideas presented in a passage. However, many students still experience difficulties in comprehending English texts. Many seventh graders at SMP Negeri 4 Magelang struggle to understand descriptive texts.…