Microstructural, thermo-optical, mechanical and tribological behaviours of vacuum heat treated ultra thin SS304 foils

被引:6
|
作者
Palai, Debajyoti [1 ,2 ]
Bhattacharya, Manjima [3 ]
Mallick, Amitava Basu [2 ]
Bera, Parthasarathi [4 ]
Sharma, Anand Kumar [1 ]
Mukhopadhyay, Anoop Kumar [3 ]
Dey, Arjun [1 ]
机构
[1] ISRO, Satellite Ctr, Bangalore 560017, Karnataka, India
[2] Indian Inst Engn Sci & Technol, Dept Met & Mat Engn, Sibpur 711103, Howrah, India
[3] CSIR, Cent Glass & Ceram Res Inst, Adv Mech & Mat Characterizat Div, Kolkata 700032, India
[4] CSIR, Natl Aerosp Labs, Surface Engn Div, Bangalore 560017, Karnataka, India
来源
MATERIALS RESEARCH EXPRESS | 2016年 / 3卷 / 09期
关键词
microstructure; thermo-optical properties; nanoindentation; scratch test; tensile test; XPS; SS304; foil; AUSTENITIC STAINLESS-STEEL; AISI; 304-STAINLESS-STEEL; GRAIN-SIZE; TEMPERATURES; COATINGS; HARDNESS;
D O I
10.1088/2053-1591/3/9/096501
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The purpose of this present study was to evaluate the effect of vacuum (i.e., 10(-5) mbar) heat treatment at 300 to 1100 degrees C on morphological, thermo-optical, mechanical and tribological properties of 75 mu m thin SS304 foils. Microstructural, morphological and surface properties of the foils were characterized by field emission scanning electron microscopy (FESEM), profilometry, x-ray photoelectron spectroscopy (XPS) and water contact angle (WCA) measurement techniques, respectively. The x-ray diffraction (XRD) was employed to identify the phase of SS304 foils after different heat treatment temperatures. Thermo-optical properties such as solar absorptance (alpha(s)), reflectance (rho(s)) and IR emittance (epsilon(ir)) were also evaluated. The nanomechanical properties i.e., nanohardness (H) and Young's modulus (E) of as-received and heat treated SS304 foils were evaluated by the nanoindentation technique. Tribological and tensile properties i.e., yield strength (sigma(y)) and percentage of elongation of different heat treated foils were also investigated by single pass scratch tests and universal testing machine, respectively. Noteworthy grain growth of SS304 was observed beyond vacuum heat treatment temperature of 700 degrees C. As a consequence, the magnitudes of both H and E data of SS304 were significantly decreased beyond the vacuum heat treatment temperature of 700 degrees C. Further, the hardness data followed the well known Hall-Petch relationship. On the other hand, the tribological property of SS304 was significantly deteriorated beyond the vacuum heat treatment temperature of 700 degrees C. The tensile strength of the foils was also altered after the heat treatment.
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页数:13
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