Daftar Isi Xx.docx

DAFTAR ISI HALAMAN JUDUL ............................................................................................. i HALAMAN PERSETUJUAN ............................................................................. ii HALAMAN PENGESAHAN ............................................................................... iii HALAMAN SOAL ................................................................................................ iv HALAMAN PERNYATAAN .............................................................................. v MOTTO ................................................................................................................. vi HALAMAN PERSEMBAHAN ........................................................................... vii KATA PENGANTAR ........................................................................................... viii DAFTAR ISI .......................................................................................................... x DAFTAR GAMBAR ............................................................................................. xiii DAFTAR TABEL ................................................................................................. xv DAFTAR SIMBOL ............................................................................................... xvi BAB I

PENDAHULUAN............................................................................ 1 1.1. Latar Belakang ........................................................................... 1 1.2. Tujuan Penelitian ....................................................................... 3 1.3. Batasan Masalah......................................................................... 3 1.4. Manfaat Penelitian ..................................................................... 3

BAB II

LANDASAN TEORI ....................................................................... 4 2.1. Tinjauan Pustaka ........................................................................ 4 2.2. Dasar Teori ................................................................................. 7 2.2.1. Grinding ball ..................................................................... 7 2.2.2. Cement mill ....................................................................... 9 2.2.3. Baja ................................................................................... 11

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2.2.4. Aluminium ........................................................................ 13 2.2.5. Mangan .............................................................................. 14 2.2.6. Diagram Fasa Fe-Cr .......................................................... 15 2.2.7. Diagram Fasa Fe-Al .......................................................... 16 2.2.8. Sistem Paduan Fe-Mn ....................................................... 18 2.2.9. Perlakuan Panas (Heat Treatment) .................................. 19 2.2.10. Hardening ....................................................................... 21 2.2.11. Annealing ........................................................................ 25 2.2.12. Normalisasi .................................................................... 26 2.2.13. Temper ........................................................................... 27 2.2.14. Korosi .............................................................................. 28 2.2.15. Pengujian Bahan.............................................................. 32 2.3. Hipotesis..................................................................................... 39 BAB III

METODE PENELITIAN ............................................................... 40 3.1. Diagram Alir Penelitian ............................................................. 40 3.2. Bahan dan Alat Penelitian .......................................................... 41 3.2.1. Bahan ................................................................................ 41 3.2.2. Alat Penelitian ................................................................... 41 3.3. Cara Penelitian ........................................................................... 43 3.3.1. Proses Pemotongan ........................................................... 43 3.3.2. Pengujian Komposisi ........................................................ 44 3.3.3. Pengujian Hardening ........................................................ 46 3.3.4. Mounting ........................................................................... 48 3.3.5. Proses Pengamplasan ........................................................ 48

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3.3.6. Proses pemolesan ............................................................... 50 3.4. Pengujian Bahan.......................................................................... 50 3.4.1. Pengujian Struktur Mikro................................................... 51 3.4.2. Pengujian Kekerasan .......................................................... 53 3.4.3. Pengujian Korosi ................................................................ 55 DAFTAR PUSTAKA ............................................................................................ 56

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