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All Journal PROSIDING SEMINAR NASIONAL CENDEKIAWAN Business Management Journal Program Studi Manajemen
Andreas Wijaya
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Humanities Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Industrial & Manufacturing Engineering Social Sciences

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PERBANDINGAN KOMPOSISI UNSUR PIRANTI RETENSI NIKEL TITANIUM DENGAN NIKEL TITANIUM SUPERELASTIC DAN UJI SIFAT KELELAHAN LOGAM Andreas Wijaya; Fajar H Nasution; Rosalina Tjandrawinata; Yohana Yusra
PROSIDING SEMINAR NASIONAL CENDEKIAWAN Prosiding Seminar Nasional Cendekiawan 2017 Buku III
Publisher : Lembaga Penelitian Universitas Trisakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25105/semnas.v0i0.2490

Abstract

Dalam perawatan ortodonti, kawat nikel titanium (NiTi) umumnya digunakan padatahap penyelarasan lengkung gigi karena bersifat elastis. Selain itu, kawat NiTi jugadigunakan sebagai piranti retensi cekat dan dapat menjadi alternatif bahan baja tahankarat berulir jamak (multistrand) yang masih dinilai kaku dan sering ditemukan terputusakibat timbulnya sifat kelelahan logam. Tujuan penelitian ini adalah untukmembandingkan komposisi unsur kawat piranti retensi NiTi dengan kawat NiTisuperelastic dan menganalisa sifat kelelahan logam pada setiap bahan. Dua kelompoksampel, yaitu kelompok kawat piranti retensi NiTi dan kawat NiTi superelastic diujikomposisi unsur permukaannya menggunakan mikroskop elektron (SEM-EDX). Sampelkawat piranti retensi NiTi diberikan satu juta siklus penekanan untuk pengujian sifatkelelahan logam. Pada hasil analisis SEM dan EDX kawat piranti retensi NiTi ditemukanadanya unsur nikel (50,38%), titanium (45,26%), aluminium (0,35%), oksigen (3,96%),dan silikon (0,06%), tetapi pada sampel kawat NiTi superelastic hanya ditemukan unsurnikel (54,66%) dan titanium (45,35%). Pada Hasil pengujian sifat kelelahan logam pirantiretensi NiTi, terlihat adanya gambaran garis halus (striation) dan defleksi paska menerimatekanan vertikal berulang. Berbeda dengan NiTi superelastic, pada piranti retensi NiTiditemukan unsur aluminium dan silikon yang mungkin dapat mempengaruhi sifat bahan,seperti meningkatkan formabilitas dan resistensi terhadap oksidasi secara berurutan.
PENGARUH KEPERCAYAAN DAN KOMITMEN TERHADAP RANTAI PASOKAN YANG DIMEDIASI OLEH KETERHUBUNGAN PEMASOK PADA PEMILIK TOKO KELONTONG DI DKI JAKARTA Andreas Wijaya
Business Management Journal Vol 13, No 1 (2017): Business Management Journal
Publisher : Universitas Bunda Mulia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (841.77 KB) | DOI: 10.30813/bmj.v13i1.425

Abstract

This study aims to determine the effect of trust and commitment in the relationship between the suppliers and the owner of a grocery store in Jakarta. The data was collected through questionnaires and processed using IBM AMOS 24The data has been collected through questionnaires and processed using IBM AMOS 24 and it can be concluded that trust has an influence on the commitment and supplier relationship, and supplier relationships have an influence on the supply chain, but commitments have no effect on supplier relationshipsKeywords: Trust, Commitment, Supplier Relationships, Supply Chain
Pengaruh Sikap yang Baik, Integritas, Loyalitas Dan Kepercayaan terhadap Suksesi Pada Bisnis Keluarga Berbasis Family Owned Enterprise (FOE) Generasi Pertama Brendi Wijaya; Andreas Wijaya; Renaldy Kurniawan
Business Management Journal Vol 14, No 1 (2018): Business Management Journal
Publisher : Universitas Bunda Mulia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (889.3 KB) | DOI: 10.30813/bmj.v14i1.1127

Abstract

This study aims to determine the succession planning that will be done on family-based company. Family Owned Enterprise (FOE). Subjects In this study used 3 companies that are large-scale enterprises, companies in the medium scale, and companies on a small scale. The company is used as a research subject because this family oriented bussines will face the first succession planning process to a successor candidate who is not from a family member. The purpose of this study is to know in further examine the factors in succession to prospective successors who are not from family members.Keywords:  Succession, Family Oriented Business
Co-Authors Fajar H Nasution Renaldy Kurniawan Rosalina Tjandrawinata Wijaya, Brendi Yohana Yusra