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Hanifah, Anis
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Studi Pengaruh Kombinasi Pengelasan GMAW dan SMAW dengan Metode WAAM: Studi Pengaruh Kombinasi Pengelasan GMAW dan SMAW dengan Metode WAAM Jatmoko; Hanifah, Anis; Pratama, Muhammad Aditya; Rohimsyah, Fikan Mubarok
SPECTA Journal of Technology Vol. 7 No. 2 (2023): SPECTA Journal of Technology
Publisher : LPPM ITK

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35718/specta.v7i2.938

Abstract

The development of technology and science is multiplying, so it affects the industrial sector in Indonesia, namely the industry that manufactures machine elements, especially in the automotive sector, which commonly uses metal as raw material. The manufacturing sector's production in the automotive industry tends to increase annually. The need for metal as raw material is constantly increasing. The WAAM welding method be utilized as one of the innovations in the industrial world that potentially reduces the use of raw metal materials by replacing them with the results of the WAAM process. In this study, a combination of GMAW and SMAW welding using the WAAM method was carried out by adding material in layers and switching between the two types of welding. The welding process is carried out by varying the current (high, medium, and low). Then, a tensile test was carried out to determine the mechanical properties of the combination results. Based on the tensile test results, it is known that the high current variation gives the best results, the increasing current lead to an enhancement of the mechanical properties. Finally, using high currents will give the best result for application in the engineering and automotive sector.
A Study of Collaborative Skills: Comparing the Effectiveness of ARIAS Interest and TS-TS Models in Elementary Education Hanifah, Anis; Handayani, Sri Lestari
Journal of Educational Sciences Vol. 9 No. 4 (2025): Journal of Educational Sciences
Publisher : FKIP - Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.9.4.p.2977-2985

Abstract

The development of 21st-century skills, particularly student collaboration, has become increasingly important in elementary education. This study aims to compare the effectiveness of the ARIAS learning model (Interest type) and the Two Stay Two Stray (TS-TS) model in enhancing student collaboration during Integrated Science and Social Studies (IPAS) learning among fifth-grade students. The research employed a quantitative approach with a quasi-experimental method using a pretest-posttest control group design. Two classes from SDN Cengkareng Barat 16 Pagi were selected as samples, with each class implementing one of the two learning models. Data were collected through validated observation sheets designed to measure student collaboration levels. The results revealed a significant difference in collaboration levels between the two experimental groups, with the TS-TS model demonstrating a greater positive impact on students' collaborative abilities compared to the ARIAS (Interest type) model. Statistical analysis confirmed that the TS-TS approach was more effective in fostering teamwork, communication, and peer interaction skills. These findings suggest that the TS-TS model is a more suitable learning strategy for enhancing student collaboration in IPAS subjects, providing valuable insights for educators seeking to implement collaborative learning approaches in elementary integrated curriculum settings.
Co-Authors Handayani, Sri Jatmoko Pratama, Muhammad Aditya Rohimsyah, Fikan Mubarok