静水压力对超纯<strong>Fe</strong>腐蚀行为的影响

静水压力对超纯Fe腐蚀行为的影响

马荣耀,王长罡,穆鑫,魏欣,赵林,董俊华,柯伟

Influence of Hydrostatic Pressure on Corrosion Behavior of Ultrapure Fe

Rongyao MA,Changgang WANG,Xin MU,Xin WEI,Lin ZHAO,Junhua DONG,Wei KE

表3 0.1和10 MPa静水压力下，依据Gumbel分布图计算所得尺度参数(α)和位置参数(μ)

Table 3 Typical Gumbel distribution parameters of the scale parameter (α) and the shape parameter (μ) for the ultrapure Fe at hydrostatic pressures of 0.1 and 10 MPa

Corrosion style	Pressure MPa	0~2.5×10⁴ s		2.5×10⁴~6.2×10⁴ s
Corrosion style	Pressure MPa	α	μ / C	α	μ / C
Metastable pitting	0.1	5.10×10^-9	-2.95×10^-9	3.85×10^-11	4.69×10^-11
	10	1.92×10^-8	-1.05×10^-9	7.41×10^-10	7.41×10^-11
Stable pitting	0.1	1.59×10^-8	-3.24×10^-8	-	-
	10	4.00×10^-8	-2.76×10^-8	-	-