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All Journal Ulul Albab: Jurnal Studi Islam El-HARAKAH : Jurnal Budaya Islam Jurnal Akuntabilitas Manajemen Pendidikan Jurnal Penelitian Humaniora KARSA: Jurnal Sosial dan Budaya Keislaman (Journal of Social and Islamic Culture) Jurnal Ilmiah Pendidikan Pancasila dan Kewarganegaraan ETNOSIA : Jurnal Etnografi Indonesia Jurnal Metamorfosa Rang Teknik Journal Owner : Riset dan Jurnal Akuntansi Jurnal Ilmu Dakwah Sang Pencerah: Jurnal Ilmiah Universitas Muhammadiyah Buton SeBaSa: Jurnal Pendidikan Bahasa dan Sastra Indonesia Stilistika: Jurnal Pendidikan Bahasa dan Sastra Jurnal Teknologi Dan Sistem Informasi Bisnis Akbis: Media Riset Akuntansi dan Bisnis Best Journal (Biology Education, Sains and Technology) Al-Misbah : Jurnal Islamic Studies Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran Khalifa: Journal of Islamic Education LITERATUR: Jurnal Bahasa, Sastra dan Pengajaran Journal Of World Science Jurnal Ekonomi dan Bisnis Digital (MINISTAL) METAL : Jurnal Sistem Mekanik dan Termal Triangulasi: Jurnal Pendidikan Kebahasaan, Kesastraan, dan Pembelajaran Journal of Hospitality Accommodation Management Islam Realitas: Journal of Islamic and Social Studies Journal of Universal Community Empowerment Provision BAHASTRA GEMBIRA (Pengabdian Kepada Masyarakat) Jornal Of Tourism Sciences (Toursci) SASI Jurnal Polimesin Profesi Pendidikan Dasar Tabasa: Jurnal Bahasa, Sastra Indonesia, dan Pengajarannya International Journal of Elementary School International Journal of Islamic Teaching and Learning Prosiding SNTTM PUSAKA: Journal of Educational Review Proceedings of International Conference on Islamic Economic Finance and Social Finance Jurnal Pendidikan Islam JIMEKA
Islahuddin, Islahuddin
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PENGARUH ANALISA LAJU KOROSI DAN KEKERASAN TITANIUM DALAM LARUTAN SBF KOKUBO UNTUK APLIKASI ORTODONTIK Ardhy, Sanny; Islahuddin, Islahuddin; Ardiyanto, Muhammad Riza
Rang Teknik Journal Vol 9, No 1 (2026): Vol. 9 No. 1 Januari 2026
Publisher : Fakultas Teknik Universitas Muhammadiyah Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31869/rtj.v9i1.7066

Abstract

Titanium dan paduannya lebih banyak dipilih untuk material implan gigi, khususnya pemasangan kawat gigi, karena mempunyai sifat tahan korosi dan sifat mekanik yang jauh lebih baik dibanding baja tahan karat. Namun demikian, penggunaan titanium dan paduannya masih memiliki kekurangan. Ketahanan korosi titanium dapat berkurang di lingkungan asam (pH asam). Seperti diketahui, masyarakat Sumbar suka mengkonsumsi makanan yang mengandung zat asam (mengandung santan/lemak) seperti rendang, gulai, dan goreng-gorengan. Karena itu, perlu dilakukan penelitian untuk mengetahui laju korosi terhadap titanium dan paduannya di lingkungan asam. Ada 4 (empat) sampel titanium yang dipilih dalam pengujian ini. Yakni Ti-12 Cr, TNTZ-ST, Ti64 ELI (Extra Low Intertitial) dan Commercial Pure Titanium (CpTi). Empat spesimen ini diuji rendam (immersion test) dalam larutan Simulated Body Fluid (SBF) Kokubo (pH 5,0) dengan empat (4) variasi waktu (t); 1 minggu, 2 minggu, 3 minggu dan 4 minggu. Laju korosi dihitung dengan metode pengurangan berat (weight loss). Hasil pengujian didapatkan laju korosi tertinggi terjadi pada CPTi (0,0985 mm/y) pada waktu pengujian 4 minggu. Sementara laju korosi terendah terjadi pada Ti-12 Cr, 0,0515 mm/y. Untuk nilai kekerasan, CpTi memiliki kekerasan paling tinggi, 365 HVN (1 minggu). Sementara Ti-12 Cr memiliki kekerasan paling rendah, 130 HVN.
Penjualan Venue Melalui Pemasaran Digital Bagi Segmen Korporasi Pada Hotel Novotel Grand Shayla Di Makassar Budianto, Muh. Annas; Ab., Ahmad; Islahuddin, Islahuddin; Hanafi, Hamsu
Journal of Hospitality Accommodation Management (JHAM) Vol. 5 No. 1 (2026): Journal of Hospitality Accommodation Management (JHAM)
Publisher : Program Studi Manajemen Divisi Kamar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52352/jham.v5i1.2102

Abstract

This research was conducted at the Novotel Grand Shayla Hotel in Makassar, with the aim of identifying and analyzing the experiences of marketing staff in marketing venues through digital media, as well as analyzing the extent to which the optimization of these strategies is able to effectively reach the corporate segment. The method used was a qualitative descriptive approach, employing data collection techniques such as in-depth interviews with Sales and Marketing staff, as well as documentation. The research findings indicate that the Sales and Marketing team has implemented seven main digital strategies, including: creating visual content, utilizing social media (Instagram, Facebook, WhatsApp), e-mail marketing via Mailchimp, the CVENT marketplace platform, strengthening SEO through Yext, analyzing data insights, and paid advertising through Meta Business. Although digital approaches have been actively implemented, the content strategies applied remain general and have not been specifically segmented for the corporate segment. Additionally, TikTok has not been utilized despite its potential as a promotional channel for venues targeting young professional audiences. Therefore, the findings of this study are expected to provide insights for hotel management in optimizing more effective and focused digital marketing strategies tailored to the corporate segment.
Effect of corrosion rate and hardness of titanium in Kokubo’s simulated body fluid for orthodontic applications Sanny, Sanny Ardhy; Islahuddin, Islahuddin; Meiki, Meiki Eru Putra; riza, Muhammad Riza Ardiyanto
Prosiding SNTTM Vol 23 No 1 (2025): SNTTM XXIII October 2025
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/38n0c342

Abstract

Titanium and its alloys are widely recognized as preferred materials for dental implants, particularly in orthodontic applications, owing to their superior corrosion resistance and mechanical performance compared with stainless steel. However, certain limitations remain. In acidic environments, titanium’s corrosion resistance tends to decline. This issue is of particular relevance in West Sumatra, where local dietary habits include frequent consumption of acidic and high-fat foods such as rendang, gulai and various fried dishes. Hence, it is important to evaluate the corrosion behavior of titanium and its alloys under acidic conditions. In this study, four titanium-based materials were investigated: Ti-12 Cr, TNTZ-ST, Ti-64 ELI (Extra Low Interstitial), and Commercially Pure Titanium (CpTi). Immersion tests were performed in Kokubo’s Simulated Body Fluid (SBF) at pH 5.0 for four exposure periods (1, 2, 3, and 4 weeks). The corrosion rate was determined using the weight loss method. Results revealed that CpTi exhibited the highest corrosion rate (0.0985 mm/y) after 4 weeks, while Ti-12 Cr demonstrated the lowest (0.0515 mm/y). Regarding hardness, CpTi reached the highest value (365 HVN at 1 week), whereas Ti-12 Cr recorded the lowest (130 HVN).
Co-Authors Ab., Ahmad Abdulrahman Jehtae Abidin, Saenal Adam, Yasmin Maharani Adri Efferi Aflah, Kuntarno Noor Agus Iswanto Ainy, Noer Sarifah Akhir, Husnul Akram, Miftachul Akramadina, Akramadina Andayani, Noviar Anwari Masatip Aprilia, Surita Ardiyanto, Muhammad Riza Arif Rahman Aritonang, Firdaus Aryanie, Irne Asep Maulana Rohimat Asep Supena. Asriani, Fauziah Azhar, Ghina Atikah Budi Setiawan Budi Waluyo Budianto, Muh. Annas BZ, Fazli Syam Chema, Adareena Choiriyah, Arifatul Dahri, Harapandi Daulay, Maswan Dedi Pramono Djoko Sulaksono Dwiprabowo, Risky Eka Nurhidayat Eppang, Buntu Marannu Fachry Abda El Rahman Fahira, Afra Fahira, Suri Rahma Faiz, Muhammad Farid Said, Farid Faujiah, Evi Fazwa, Monika Febriyanto, Budi Fibriani, Cut Dara Fujastawan, I Ngurah Gede Verar Gumgum Gumelar Fajar Rakhman Gustini, Sri Ha, Halimoh Hadi, Nestiyanto Hadiyan Wijaksana, Haris Hamsu Hanafi, Hamsu Hamzah, Reodhy Hasbullah Hasbullah Hendra Hendra Hidayat, Kun Ichsan, Yazida Ilma Fahmi Aziza, Ilma Fahmi jelita, jelita Khan, Syarif Ku-Ares Tawandorloh Kundharu Saddhono Lestari, Winda Dwi Lilik Wahyuni Lixian , Xiao Lukman Asha Luqyana, Luqyana LUTHFIRALDA SJAHFIRDI Machmuri, Andri Maimuzar Maimuzar Marziah, Fikar Meiki Eru Putra Meiki, Meiki Eru Putra Menjamin, Sumaiyah Moch Lukluil Maknun, Moch Lukluil Moch. Lukluil Maknun Mohamad Syarif Sumantri Mohammad, Nhelbourne Mubarock, Wildan Fauzi Muhamad Parhan Muhammad Arfin Muhammad Salim Muhammad Husaini Muhammad Idris muhammad rizky, muhammad Nasution, Ali Napiah Nelwati, Sasmi Novitasari, Meisya Nugraheny, Devita Cahyani Nur Mahmudah Nur Qorimah, Esti Nurul Hasfi Oki Dermawan Pramadhanti, Dhelinta Fitri Prima Veronika Pudjiastuti, Sri Rahayu Putri, Moulisa Friana Qadriani, Nur Lailatul Ramadhani, Fauziah Aulia Ratna Yunita Setiyani, Ratna Yunita riza, Muhammad Riza Ardiyanto Roch Aris Hidayat, Roch Aris Safrizal Safrizal Saharuddin Saharuddin Saimima, Johan Robert Sanny Ardhy Sanny, Sanny Ardhy Saputra, Dudu Suhandi Sari, Dewi Arnita Sayid Habiburrahman, Sayid Sinaga, Rouli Retta Trifena Sohnui, Suhailee Som, Ahmad Puad Mat Sulistyawati, Anggraeni Susanti Susanti Syahidin Syahidin, Syahidin Syahriyah, Ummi Ulfatus Syarif, Nur Atika Syukriy Abdullah Taufiq Mathar Tawandorloh, Ku-Ares Touku Umar TYA RESTA FITRIANA Vioreza, Niken Waeno, Mahamadaree Wulandari Pratiwi, Raden Yonanda, Devi Afriyuni Yuliati, Yuyu Yuniyanti, Indah Zahro, Amalia Zulkarnaini Zuraida Zuraida