sscc

In addition , based on detailed analyses of test results and careful observation of corrosion tests , this thesis discussed the protective mechanism of coatings resistant to SSCC and the failure mechanism of some kinds of coatings in wet H2S environment .

同时本文在对试验结果详细分析及对腐蚀试验过程仔细观察的基础上，论述了涂层防止湿硫化氢应力腐蚀的防护机理，以及几种涂层的失效机理。

The inspection on bare tube , which included chemical composition , mechanical property , hardness and corrosion resistant test such as SSCC , HIC , Intergranular Corrosion , all the results were up to the standard .

对成品管进行化学成分、拉伸性能、硬度等性能和抗硫化物应力腐蚀开裂、氢致开裂、抗晶间腐蚀性能检测结果均合格。

The results suggested that different welding material match leads to different resistance to SSCC .

不同的焊接匹配将导致管线钢具有不同的耐腐蚀性能；

Effects of band structure on SSCC and CO 2 corrosion

带状组织对SSCC和CO2腐蚀的影响

The control measures must be completed before a further SSCC is issued .

必须完成控制措施后才重新签发船舶卫生控制措施证书。

Study on SSCC Resistance of Girth Welding Joint with Grade X 60

X60钢环焊接头抗SSCC性能研究

Test Methods and Technique of Sulfide Stress Corrosion Cracking ( SSCC ) Occurred on Steel

钢铁发生硫化物应力腐蚀裂开的试验方法与技术

The Influence of Cold Work of Austenitic Stainless on Martensite and SSCC

奥氏体不锈钢冷加工与形变马氏体及耐应力腐蚀的关系

The SSCC is valid for a maximum period of6 months .

船舶卫生控制措施证书最长有效期为6个月。

SSCC is typical low stress tardy crack .

应力腐蚀是典型的低应力滞后断裂。

SSCC low differentiation , cancer cells small , granular nuclear chromatin , cell shape is similar with the SCLC .

SSCC分化较低，癌细胞较小，核染色质呈颗粒状，细胞形态上与SCLC有相似之处。

Sulfide hydrogen stress corrosion cracking ( SSCC ) is the main factor to restrain the application of the pipeline steels .

硫化氢应力腐蚀破裂（SulfideStressCorrosionCracking，SSCC）是制约管线钢应用的主要因素。

The mechanism and general influence factors of sulfide stress corrosion cracking ( SSCC ) of chemical equipment made of high strength steel are summarized .

系统的综述了高强钢化工设备硫化物应力腐蚀开裂机理及常规的影响因素。

The more quantity of sulfur and inclusion in the steel , the lower the resistance of the steel to SSCC .

钢中硫含量和夹杂物的增加，可使钢的抗硫性能下降。

The result showed that the microstructure dominated by fine and homogeneous acicular ferrite had the better resistance to SSCC .

结果表明：均匀细小的针状铁素体为主的显微组织具有优良的抗SSCC性能；

The analysis results indicated that the H_2S in the LPG caused sulfide stress corrosion cracking ( SSCC ) of the flange .

分析结果表明，法兰断裂是由液化气中的H2S所引起的应力腐蚀开裂。

The results demonstrate that the SSCC sensitivity of 16Mn ( HIC ) increases with increase of hydrogen sulfide and decrease of pH value .

结果表明，16Mn（HIC）SSCC敏感性随硫化氢浓度的增加和pH值的降低而增加。

In HAZ , crystalline particles are coarse and has high hardness and is apt to cause local corrosion , thus it is a high SSCC sensitive area .

HAZ晶粒粗大、硬度高，局部腐蚀倾向大，由此导致该区SSCC敏感性高。

Constant load tensile test was adopted to study the influence of welding material match and alloy element content on SSCC ( sulfide stress corrosion cracking ) of domestic pipeline steels .

采用恒载荷拉伸法，测试了国产管线钢母材及其焊接接头的硫化物应力腐蚀开裂SSCC性能。结果表明：焊接匹配、合金元素是影响国产管线钢SSCC的重要因素。

SSCC tumor cells showed large cytoplasm , nucleolus more obvious , in order to find a squamous cell carcinoma of the overall hierarchical structure and the cell keratinizing ;

SSCC瘤细胞表现为胞浆较多，核仁较明显，在癌组织总以找到鳞癌分层结构和细胞内角化；

Using the NACE standard bent-beam test , sulfide stress corrosion cracking ( SSCC ) of different types microstructure in X70 grade pipeline steel with different types of microstructure was investigated .

随着国产X70管线钢在西气东输工程中的应用，国产高强度管线钢硫化物应力腐蚀开裂（SSCC）性能研究显得尤为重要。

The semisolid continuous casting ( SSCC ), a essential branch of semisolid metal forming ( SSM ), is a new process to produce billet with high quality grade for forming work parts .

半固态连铸是半固态加工技术的一个重要分支，也是制备高质量零件用坯料的一种新技术。

Stress corrosion cracking of steels in wet hydrogen sulfide is the principal corrosion failure in the refining process of high sulfur crude oil . SSCC is the most serious corrosion mode in acidic environment .

湿硫化氢环境下的应力腐蚀开裂（SSCC）是高硫原油炼制过程中的首要腐蚀问题，在酸性环境中，SSCC是破坏性和危害性最大的一种腐蚀形态。

The sulfide induced stress corrosion cracking ( SSCC ) behavior of the weld seam and base metal of pipeline steel X80 was investigated by using the3-point bend loading method in H2S environment .

采用三点弯曲加载法，研究了国产X80管线钢及其焊接接头的抗H2S环境应力腐蚀开裂（SSCC）行为。

The SSCC sensitivity of 20 # steel pipes welded with different electrodes in H_2S media and the impact of PWHT on SSCC were evaluated through C ring sample SSCC sensitivity tests .

通过C型环试样应力腐蚀敏感性试验，评定了不同焊条焊接20号钢管在硫化氢介质中的应力腐蚀开裂的敏感性以及焊后热处理对SSCC的影响。

Corrosion , Hydrogen Induced Crack ( HIC ), H_2S Stress Induced Corrosion Crack ( SSCC ) on pressure vessel and pipe line in H_2S + H_2O environment are the most typical corrosion problems and technical problems .

湿H2S环境下引起压力容器及管道的腐蚀、氢致开裂（HIC）、H2S应力腐蚀开裂（SSCC）是当前采油、炼油、化工、煤气生产中最为突出的腐蚀问题和技术难题之一。

The authers have confirmed through the specimen laboratorial test ant the site test that spraying Cu alloy powder with oxygen-acetylene flame will deposit a satisfactory cladding against H2S stress corrosion cracking ( SSCC ) .

作者通过试样的实验室和现场挂片试验，证明用氧乙炔火焰喷涂Cu合金粉末是抗H2S应力腐蚀开裂（SSCC）的良好涂层。

The results showed that the presence of H_ ( 2 ) S would cause ductility loss . With increasing H_ ( 2 ) S concentration , the hydrogen permeation current density and susceptibility to sulfide stress corrosion cracking ( SSCC ) are increased .

结果表明，H2S的加入使渗氢电流逐渐增大，硫化物应力腐蚀开裂（SSCC）敏感性逐渐增加，随着H2S浓度的增大，其断裂特征由塑性断裂逐渐转变为脆性断裂。

To adopt welding procedure method commonly used in long distance transmission pipeline , analog field site condition to weld for pipe with SSCC resistance itself and carry out SSCC resistance test to girth weld jointer obtained to provide technical support for oil and gas construction .

采用目前长输管线常用的焊接工艺方法，对本身具有抗SSCC性能的钢管模拟野外现场条件进行焊接，将所得环焊缝接头进行抗SSCC性能试验，为油气管线的施工建设提供技术支持。

Considering the urgent need for methods of resistance to wet H2S stress corrosion cracking ( SSCC ) during petrochemical production , this thesis , with a view to isolate substrate from the corrosives , introduced arc spraying metallic coatings as a method resistant to SSCC .

针对当前石油化工生产中亟待解决的湿硫化氢应力腐蚀问题，本文从隔离腐蚀介质的防腐措施出发，采用电弧喷涂方法，在基材表面喷涂金属涂层用以防止湿硫化氢应力腐蚀。