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All Journal Jurnal Ilmiah Teknik Mesin "MEKANIK" Jurnal Ar Ro'is Mandalika (Armada)
Winoto, Agung
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Religion Automotive Engineering Education Engineering Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Mechanical Engineering

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PENGARUH HEAT TREATMENT TERHADAP STRUKTUR MIKRO DAN KEKERASAN ALUMINIUM PADUAN AL-Si-Cu PADA CYLINDER HEAD SEPEDA MOTOR Suherman, Suherman; Mizhar, Susri; Winoto, Agung
MEKANIK: Jurnal Ilmiah Teknik Mesin Vol 2 No 1 (2016): Mei 2016
Publisher : Jurusan Teknik Mesin, Fakultas Teknologi Industri, Institut Teknologi Medan (ITM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (467.573 KB)

Abstract

Tujuan penelitan ini adalah untuk mengetahui pengaruh Solution Treatment dan aging pada Aluminium paduan Al-Si-Cu hasil coran cylinder head sepeda motor 2 Tak yang dicor dengan metode lost foam casting (LFC). Penelitian ini mempelajari pengaruh Solution Treatment dan aging (T6) terhadap eutectic silicon dan kekerasan Aluminium paduan Al-Si-Cu sebelum dan sesudah Solution Treatment (T6). Proses perlakuan panas solution treatment diterapkan dengan pada temperatur 520 C dengan waktu tahan selama 2 jam dan selanjutnya dilakukan proses Age Hardening dengan temperatur 200 oC dengan holding time masing-masing 2,3 dan 4 jam. Hasil penelitian ini menunjukkan peningkatan waktu tahan (holding time) pada proses heat treatment meningkatkan nilai kekerasan serta merubah stuktur particle eutectic silicon.
TikTok Shop: How Social Commerce Shapes Purchase Decisions Winoto, Agung; Supu, Mahfud; Nunu, Arson; Armawati, Armawati
Jurnal Ar Ro'is Mandalika (Armada) Vol. 6 No. 2 (2026): JURNAL AR RO'IS MANDALIKA (ARMADA)
Publisher : Institut Penelitian dan Pengembangan Mandalika Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59613/armada.v6i2.5740

Abstract

This study aims to analyze the influence of social commerce elements, such as social interaction, transaction convenience, creative content, user-generated content (UGC), and live shopping, on consumer purchase decisions on the TikTok Shop platform in Indonesia. Using a quantitative approach with an explanatory research design, this study involved respondents who had made purchases within the last six months. Regression analysis indicates that four main variables, like social interaction (p = 0.014), transaction convenience (p = 0.009), creative content (p = 0.012), and UGC (p = 0.012) are significantly affect purchase decisions. Meanwhile, live shopping does not show a significant influence (p = 0.115), suggesting that direct synchronous interaction on TikTok Shop is not sufficient to drive purchase conversion without strong support from information quality and credibility.
Co-Authors Armawati Armawati, Armawati Nunu, Arson Supu, Mahfud Susri Mizhar Syamsul Arifin