Ebirungo ebikola eddagala n’okukozesa ekyuma ekikyusiddwa ekya high manganese .
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eggwanga |
Ekyuma Ekika ky’ekyuma . |
Ekitundu ky’omutindo gw’obutonde bw’ebirungo Ekitundu (%) . |
Kozesa okugeza . |
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C |
Si . |
Mn . |
Mo . |
Cr . |
-lala |
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China . |
MN6MO . |
1.2-1.4 |
0.4-0.7 |
5.5-7.0 |
0.8-1.2 |
(Ekitundu ekitono) . |
- |
Esaanira ebyuma ebikola amanda ebifuuse ebiwujjo n’ebyuma ebizimba . |
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Amerika . |
Entikko . |
Ekibiina A . |
1.05-1.35 |
0.40-0.70 |
5.75-6.75 |
0.90-1.20 |
Ebisigaddewo . |
- |
|
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Ekibiina B . |
0.80-1.00 |
0.40-0.70 |
6.00-7.00 |
0.90-1.20 |
Ebisigaddewo . |
- |
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China . |
5cr5mn9 . |
0.54 |
- |
8.86 |
- |
4.94 |
- |
Bbugwe w'omusenyu oguyiringisibwa n'ekisenge ekimenyaamenya ekimenya, ekisero ky'amasannyalaze ekisero amannyo . |
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60cr5mn11 . |
0.58 |
- |
11.0 |
- |
4.7 |
- |
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Mn9cr2 . |
- |
- |
- |
- |
- |
- |
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45mn17Al3. |
0.34-0.42 |
0.27-0.57 |
17.2-18.0 |
- |
- |
AL:2.97-3.20 |
Workpiece nga erimu situleesi enkulu, gamba ng’ennyondo y’okugwa n’omusingi gwayo . |
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7mn13 . |
0.7-0.8 |
ekitono okusinga oba kyenkana 0.5 . |
12.5-14.5 |
- |
- |
TI: Omutono oba okwenkana 0.1. |
Kozesa wansi wa Cast State. Ekibbo ekinene eky’okusima, ensengeka enzibu ey’olubaawo lwa giridi, olubaawo lw’okusima, etc . |
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Ekyuma kya Manganese (High Manganese Steel)
Alloy steel erimu ebitundu ebisukka mu 10% ku manganese. Mu 1882, yasooka okufuna ekyuma ekigulumivu ekya Manganese ekya Austenitic Organization, ate mu 1883, Abangereza Hadfield (Rahadfield) baafuna patent ya High Manganese Steel. Ekyuma kya high-Manganese kisobola okwawulwamu ebika bibiri okusinziira ku nkozesa yaakyo ey’enjawulo:
(1) Okwambala-Ekyuma ekiziyiza. Ekyuma eky'ekika kino kirimu 10%~15% manganese, era kaboni alimu ali waggulu nnyo, okutwalira awamu 0.90%~1.50%, ng'ebisinga bisukka 1.0%. Ekirungo kyakyo eky’eddagala kiri (%):
C0.90-1.50MN10.0-15.0
Si0.30~1.0 S 0.05 P 0.10 Ekika kino eky’ekyuma kya manganese ekiwanvu kye kisinga okukozesebwa, ekitera okukozesebwa okufuula ekyuma ekisima amannyo, ekisenge ekiyiringisibwa n’ekisenge ekinyiga ekya cone crusher, jaw crusher fork board, ball mill liner board, switch y’eggaali y’omukka, essowaani y’ebbakuli, omutwe gw’okukuba ennyondo, etcher fork board.
Ekitundu ekisuuliddwa eky’ekyuma kya manganese ekiwanvu kitera okukolebwamu austenite, carbide ne pearlite, era oluusi kirimu akatono aka phosphorus co-kibumba. Omuwendo gwa carbide munene, gutera okulabika mu mutimbagano ku nsalosalo y’empeke. N’olwekyo, ekyuma kya manganese ekiwanvu mu bitundu ebisuuliddwa kibeera kikutuse era tekisobola kukozesebwa era kyetaaga okulongoosebwa solution solution solid. Enkola y’okulongoosa ebbugumu etera okukozesebwa ye solution treatment, nga ekyuma kibuguma okutuuka ku 1050 ~1100℃, insulation okumalawo ekitundu ekisuuliddwa, okufuna single-phase austenitic tissue, olwo amazzi okuzikiza, olwo ekitundu ne kikuumibwa okutuuka ku bbugumu ery’ekisenge. Oluvannyuma lw’okulongoosa mu bbugumu, amaanyi, obuveera n’obugumu bw’ekyuma bitereera nnyo, kale enkola eno ey’okulongoosa ebbugumu nayo etera okuyitibwa okulongoosa obugumu bw’amazzi. Oluvannyuma lw'okulongoosa ebbugumu, eby'obutonde eby'ebyuma bye bino: σ b615 ~1275MPa σ 0.2340~470MPa ζ15%~85% ψ 15% ~ 45% a kl 96 ~ 294 j / cm2 HBL80~225
Oluvannyuma lw’okulongoosa solid solution, wajja kubaawo akatundu akatono aka carbide akatasaanuuse, akakyayinza okukozesebwa ng’omuwendo mutono era nga gutuukana n’omutindo gw’okugezesa.
