THE SYSTEM Fe-Pt-S AT 1100°C

THE SYSTEM Fe-Pt-S AT 1100°C
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1100°C 下的 Fe-Pt-S 系统

DOI:
10.2113/gscanmin.40.2.509
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发表时间:
2002
影响因子:
0.9
通讯作者:
J. Rose
J. Rose
中科院分区:
地球科学4区
文献类型:
--
作者:
J. Majzlan;Milota Makovicky;E. Makovicky;J. Rose

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在1100°C下,Fe-Pt-S系由γ(Fe,Pt),PtFe,Pt_3Fe和γ(Pt,Fe)四种合金组成,其磁导率能隙为43.5- 45.5at.% Pt,57.7-60.4原子% Pt和77-80 at.% Pt,两个硫化物相,Fe 1 − x S(最大Pt溶解度1.1 at.%在54.3at.% S)和PtS(0.5- 0.8at.% Fe最大值)、富Fe硫化物熔体(Pt溶解度低于微探针极限)和富S硫化物熔体(Pt溶解度7.5at.%对于约54.5 at.%的固化熔体S)。在五种两相和五种三相组合中,最重要的是PtFe-Pt 3Fe 1-xS(Pt低于检测值)、Pt 3Fe-Fe 1-xS(0.4at.% Pt)- PtS、Pt3Fe - γ(Pt,Fe)- PtS和Fe1− xS(0.9at.% Pt)-熔体(~ 8.5at.% Pt)- PtS。实验数据与自然协会的比较,使我们能够提出几个遗传和地热的影响。
The system Fe–Pt–S at 1100°C contains four alloys, γ(Fe,Pt), PtFe, Pt3Fe and γ (Pt, Fe), with respective miscibility-gaps at 43.5–45.5 at.% Pt, 57.7–60.4 at.% Pt and 77–80 at.% Pt, two sulfide phases, Fe1− x S (maximum Pt solubility 1.1 at.% at 54.3 at.% S) and PtS (0.5–0.8 at.% Fe maximum), a Fe-rich sulfide melt (Pt solubility below microprobe limits) and a S-rich sulfide melt (Pt solubility 7.5 at.% for solidified melts with ~54.5 at.% S). Of the five two-phase and five three-phase associations, the most important are PtFe – Pt3Fe – Fe1− x S (Pt below detection), Pt3Fe – Fe1− x S (0.4 at.% Pt) – PtS, Pt3Fe – γ (Pt,Fe) – PtS and Fe1− x S (0.9 at.% Pt) – melt (~8.5 at.% Pt) – PtS. Comparisons of experimental data with natural associations enable us to suggest several genetic and geothermometric implications.