低温高应变量衬板控轧高固溶<strong>Al-Mg</strong>合金高强塑性与高热稳定性机制

低温高应变量衬板控轧高固溶Al-Mg合金高强塑性与高热稳定性机制

田滕, 查敏, 殷皓亮, 花珍铭, 贾海龙, 王慧远

Enhanced Mechanical Properties and Thermal Stability Mechanism of a High Solid Solution Al-Mg Alloy Processed by Cryogenic High-Reduction Hard-Plate Rolling

TIAN Teng, ZHA Min, YIN Haoliang, HUA Zhenming, JIA Hailong, WANG Huiyuan

表2 纯Al^[8]、挤压态和CHR-HPR Al-Mg合金晶格参数和Mg减少量

Table 2 Lattice parameters and the losses of Mg concentration in solid solution determined from XRD spectra of the pure Al^[8], as-extruded, and CHR-HPR Al-Mg alloys

Material	State	a nm	Δa nm	ΔMg mass fraction / %
Pure Al^[8]		0.40413
Al-1Mg	As-extruded	0.40567 ± 0.00006	0.00025	0.48
	CHR-HPR	0.40542 ± 0.00001
Al-5Mg	As-extruded	0.40776 ± 0.00007	0.00035	0.68
	CHR-HPR	0.40741 ± 0.00001
Al-9Mg	As-extruded	0.40988 ± 0.00005	0.00020	0.38
	CHR-HPR	0.40968 ± 0.00001