晶间腐蚀

E6608气体冷却器失效形式属于典型的不锈钢局部腐蚀，既有冲刷腐蚀、晶间腐蚀、又有高温酸性环境下的过氧化腐蚀。

The corrosion type of E6608 gas cooler included eroding corrosion , intercrystalline corrosion and overoxidation corrosion in acidic high temperature environment .

对反应堆压力容器的奥氏体不锈钢堆焊层所产生的晶间腐蚀现象作了研究。

The intercrystalline corrosion in the austenitic stainless bead welding layer of reactor pressure vessel has been investigated .

而钢中含有P、Si等杂质则是引起非敏化态晶间腐蚀的主要原因。

Whereas the impurities like P and Si etc in the steel were the main culprits for the non-sensitized intergranular corrosion .

Cu含量对一种新型Al-Mg-Si合金晶间腐蚀的影响

Effect of Cu content on intergranular corrosion of a new type Al-Mg-Si alloy

Fe为余量。通过X射线衍射，均匀腐蚀、点腐蚀、晶间腐蚀实验，研究了该合金的显微组织及其腐蚀行为。

The microstructure and corrosion behavior of the alloy were studied by X-ray diffraction and experiments of uniform , intergranular and pitting corrosion .

Cu及热处理制度对Al-Mg-Si系合金晶间腐蚀敏感性的影响

Effects of Cu and age treatment on susceptibility to intergranular corrosion of Al-Mg-Si alloys

其失效机理是酸性药剂作腐蚀介质加速晶间腐蚀，Al丝腐烂。

The failure mechanism is that the Al bonding leads decomposed because the acid explosive acted as a corrosive medium to accelerate the pitting corrosion .

EPR法评价晶间腐蚀敏感性的各种判据的比较

Comparing different criteria of EPR method to evaluate the susceptibility to intergranular corrosion

EPR法评价奥氏体不锈钢晶间腐蚀敏感性的研究

Research of EPR on the susceptibility to intergranular attack of austenitic stainless steel

探析316L试板晶间腐蚀试验方法

Discussion & Analysis for the Testing Method of Intergranular Corrosion on 316L Test Panel

另外，添加少量Ti能防止铸造的热裂现象发生，减小阳极晶间腐蚀倾向。

In addition , the small amount Ti added , can prevent the heat check during casting , decrease the corrosion between crystalline in the anode .

尿素级316L不锈钢的非敏化晶间腐蚀与电位的关系

Relations Between the Non-Sensitized Intergranular Corrosion and the Potentials of Urea Grade 316L Stainless Steel

EPR法即电化学动电位再活化法旨在检验金属的晶间腐蚀敏感性。

EPR test , short for electrochemical potentiodynamic reaction , aims to detect the sensitization of intergranular corrosion .

试验结果表明，新型合金经1220℃×2h水冷固溶化处理后，具有良好的耐均匀腐蚀性能、较高的抗晶间腐蚀与抗点蚀能力和良好的铸造性能。

Test shows that the alloy after a special treatment is characterized by high corrosion resistance and good castability .

Zn-Al合金晶间腐蚀问题的研究

On intergranular corrosion in cast Zn-Al Alloys

采用电化学方法和浸泡实验，研究了Ni对304不锈钢焊接接头的均匀腐蚀、小孔腐蚀、晶间腐蚀和应力腐蚀破裂等性能的影响。

Effect of additions of 7.02 ~ 11.98 percent nickel alone on the corrosion resistance of type 304 stainless steels TIG welded joints was evaluated by electrochemical measurement and immersion tests .

采用双环电化学动电位再活化法（EPR法）研究316L奥氏体不锈钢扩散连接试样与母材的晶间腐蚀行为。

Intergranular corrosion for diffusion bonded joints and base materials of316L stainless steel was investigated by double loop EPR test .

316L不锈钢的非敏化态晶间腐蚀与电位的关系及其敏感性的检测方法

Relations Between the Non-Sensitized Intergranular Corrosion and the Potentials and Test Method of Its Susceptibility for 316L Stainless Steel

哈氏B-2合金的晶间腐蚀及应力腐蚀敏感性

Intergranular Corrosion and Stress Corrosion Susceptibility of HASTELLOY B-2 ALLOY

结果表明敏化Fe-17Cr合金在该区域存在贫Cr区，证实了Fe-Cr合金晶间腐蚀的贫Cr理论。

The result shows that there is a chromium depleted zone of the sensitized Fe-Cr alloy which conforms the chromiun depletion theory about Fe-Cr alloy inter grain corrosion .

浸泡腐蚀实验结果表明：在峰时效的状态下，在0.5%Cu以上的合金中可观察到明显的晶间腐蚀，而且随着Cu含量的增加，合金最大腐蚀深度增加；

The results of immersion corrosion tests show that obvious intergranular corrosion is detected on the alloys with over 0.5 % Cu and the maximum corrosion depth increases with increasing Cu content after the precipitation treatment .

随时效时间延长，晶界T1相及晶界无沉淀带宽度增加，合金晶间腐蚀和剥蚀敏感性增加。

T1 phase is augmented and PFZ at grain boundary is broadened with aging time , and the susceptibility to intergranular corrosion and exfoliation is increased .

通过金相观测1Cr18Ni9Ti在HKC中未发现晶间腐蚀。

Intergranular corrosion is not found in HKC by using optical microscope .

沿晶界分布的Al2O3和硅酸盐杂质、析出碳化物、σ相，它们共同构成了晶界弱化的因素，致使晶间腐蚀的敏感性加大。

Al_2O_3distributed along crystal boundary , silicate impurities , separated carbon compound and σ phase together brought about crystal boundary weakening and resulted in high sensitivity for interdendritic corrosion .

稀土元素降低η相的费米能级，减小Zn，Al电极电位差，具有抑制晶间腐蚀的作用；

RE element can reduce the Fermi level of η phase , lower the difference of electrode-potential between Zn and Al , so RE element is of the function to re - strain the intergranular corrosion of zinc-aluminum alloys ;

本文设计了新型铸造Ni－Cu合金的化学成分，并通过多种腐蚀试验方法研究了该合金的均匀腐蚀、晶间腐蚀及点蚀行为。

In this paper , chemical compositions of new cast Ni-Cu alloy are designed . Several kinds of methods of corrosion test are applied to investigate the uniform corrosion , intergranular corrosion and pitting corrosion behaviour of the alloy .

但由于Li是一种活性很强的元素，使得Al-Li合金在潮湿和盐雾环境中易发生晶间腐蚀、剥落腐蚀和应力腐蚀等形式的破坏。

However , Li is a metallic element with strong activity , which makes Al-Li alloys in wet and salt spray environment prone to intergranular corrosion , exfoliation corrosion and stress corrosion and other destroys .

研究表明，合金的晶间腐蚀和剥蚀主要是由于晶界T1相或（和）晶界无沉淀带的腐蚀所造成的；

It is sugges - ted that intergranular corrosion and exfoliation be caused by the anodic dissolution of T1 phase or the alternant corrosion of T1 and precipitate-free zone ( PFZ ) .

研究结果表明：采用Na2S4O6作为活化剂的EPR法同样是一种快速、定量、非破坏性的评价奥氏体不锈钢晶间腐蚀敏感性的方法。

It is shown that EPR testing in which Na_2S_4O_6 is used as an activator is also a fast , quantitative , nondestructive method for evaluation of the susceptibility to Intergranular corrosion of Austenitic stainless steel .

316L不锈钢因含碳量低，具有优良的耐晶间腐蚀性能，广泛用于制造热交换器、冷却器等耐腐蚀钎焊部件。

Because of excellent performance of resistance to intergranular corrosion due to the low carbon content , 316L stainless steel is widely used in the brazing technology for heat exchangers , coolers and other corrosion-resistant parts .