Mechanical and Electrical Properties of the Ternary Ag–Sb–Zn System

doi:10.1007/s40195-013-0016-0

摘要/Abstract

Abstract:

This paper presents comparative review of experimental and thermodynamic assessment of ternary Ag–Sb–Zn system. Isothermal section of the Ag–Sb–Zn system at 300 °C has been calculated by CALPHAD method using thermodynamic parameters from literature. Microstructural analysis of a number of alloys was carried out by scanning electron microscopy and optical microscopy, whereas chemical composition of observed phases was analyzed using energy-dispersive X-ray spectroscopy. Hardness of selected alloys from four vertical sections was determined using Brinell hardness test and additionally by micro Vickers hardness test. Electrical conductivity of a number of alloys in the ternary Ag–Sb–Zn system was experimentally determined. Good overall agreement between experimental and calculated values was obtained.

Key words: Ag–Sb–Zn system, Isothermal section, Microstructure, Brinell hardness, Micro Vickers hardness, Electrical conductivity

. [J]. 金属学报英文版, 2014, 27(1): 47-54.

M. Premović, D. Minić, D. Manasijević, Vladan Ćosović, D. Živković, I. Dervišević, N. Talijan. Mechanical and Electrical Properties of the Ternary Ag–Sb–Zn System[J]. Acta Metallurgica Sinica (English Letters), 2014, 27(1): 47-54.

图/表 11

参考文献 20

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COST 531 thermodynamic database name	Common name	Struktur-bericht symbol	Pearson symbol
LIQUID	Liquid
RHOMBO_A7	(Sb)	A7	hR2
FCC_A1	(Ag)	A1	cF4
HCP_A3	ζ	A3	hP2
AGSB_ORTHO	ε (LT)	–	oP4
AGSB_ORTHO	ε (HT)	D0	oP8
HCP_ZN	(Zn)	A3 mod	hP2
BCC_A2	β	A2	cl2
AGZN_ZETA	ζ′	B_b	hP9
AGZN_BRASS	γ	D82	cl52
SBZN_BETA	β′	B_e	oP16
SBZN_GAMMA	γ′	–	–
SBZN_DELTA	δ	–	–
SBZN_EPSILON	ε′	–	–
SBZN_ZETA	ζ′′	–	ol*
SBZN_ETA	η	–	oP30

COST 531 thermodynamic database name	Common name	Struktur-bericht symbol	Pearson symbol
LIQUID	Liquid
RHOMBO_A7	(Sb)	A7	hR2
FCC_A1	(Ag)	A1	cF4
HCP_A3	ζ	A3	hP2
AGSB_ORTHO	ε (LT)	–	oP4
AGSB_ORTHO	ε (HT)	D0	oP8
HCP_ZN	(Zn)	A3 mod	hP2
BCC_A2	β	A2	cl2
AGZN_ZETA	ζ′	B_b	hP9
AGZN_BRASS	γ	D82	cl52
SBZN_BETA	β′	B_e	oP16
SBZN_GAMMA	γ′	–	–
SBZN_DELTA	δ	–	–
SBZN_EPSILON	ε′	–	–
SBZN_ZETA	ζ′′	–	ol*
SBZN_ETA	η	–	oP30

Sample	Phase	Composition
		Ag		Sb		Zn
		exp.	calc.	exp.	calc.	exp.	calc.
I (Ag₆₀Sb₂₀Zn₂₀)	(Ag)	80.72	81.64	2.97	1.801	16.31	16.56
	β′	1.325	–	50.54	50	48.13	50
	ε	74.4	77.07	25.37	22.93	0.23	–
II (Ag₆₀Sb₂₈Zn₁₂)	(Sb)	1.92	–	96.95	100	1.13	–
	β′	1.723	–	51.72	50	46.65	50
	ε	75.24	76.19	24.33	23.81	0.43	–
III (Ag₁₈Sb₂₈Zn₅₄)	β′	1.36	–	63.24	65.06	35.4	34.94
III (Ag₁₈Sb₂₈Zn₅₄)	γ	51.82	50.66	2.48	–	45.7	45.34
IV (Ag₅₁Sb_8.5Zn_40.5)	(Ag)	72.46	73.22	1.04	0.12	26.5	26.66
IV (Ag₅₁Sb_8.5Zn_40.5)	β′	0.14	–	64.24	65.06	35.62	34.94

Sample	Phase	Composition
		Ag		Sb		Zn
		exp.	calc.	exp.	calc.	exp.	calc.
I (Ag₆₀Sb₂₀Zn₂₀)	(Ag)	80.72	81.64	2.97	1.801	16.31	16.56
	β′	1.325	–	50.54	50	48.13	50
	ε	74.4	77.07	25.37	22.93	0.23	–
II (Ag₆₀Sb₂₈Zn₁₂)	(Sb)	1.92	–	96.95	100	1.13	–
	β′	1.723	–	51.72	50	46.65	50
	ε	75.24	76.19	24.33	23.81	0.43	–
III (Ag₁₈Sb₂₈Zn₅₄)	β′	1.36	–	63.24	65.06	35.4	34.94
III (Ag₁₈Sb₂₈Zn₅₄)	γ	51.82	50.66	2.48	–	45.7	45.34
IV (Ag₅₁Sb_8.5Zn_40.5)	(Ag)	72.46	73.22	1.04	0.12	26.5	26.66
IV (Ag₅₁Sb_8.5Zn_40.5)	β′	0.14	–	64.24	65.06	35.62	34.94

Sample	Phase	Vickers microhardness of different tests (HV)					Mean value (HV)
Sample	Phase	No.1	No.2	No.3	No.4	No.5	Mean value (HV)
6	White phase	188.27	194.98	199.53	192.45	–	193.8
6	Mixed phase	232.36	243.23	244.56	259.48	246.43	241.64
9	Light phase	119.26	121.43	127.67	–	–	122.78
	Gray phase	147.26	148.42	141.29	–	–	145.65
	Dark phase	165.33	166.24	156.39	–	–	162.65