Page 25 - METALURGI
P. 25
UJIKAJI MAKMAL METALURGI Muka Surat 25 drp. 43
KEPUTUSAN UJIKAJI :
KEKERASAN BRINELL
Nombor Bahan Diameter Lekukan Kekerasan
Kepingan Kepingan Ujian d1 d2 d (purata) Brinell
Ujian (mm) (mm) (mm) (HB)
1 Aluminium
2 Kuprum
3 Loyang
4 Keluli Lembut
AKTIVITI :
1. Apakah kelebihan menggunakan Ujian Kekerasan Brinell ?
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
2. Apakah kekurangan menggunakan Ujian Kekerasan Brinell ?
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
3. Apakah kesimpulan anda setelah menjalankan ujikaji ini ?
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
__________________________________________________________________
