Gamma irradiation induced stabilisation in CuAlNi shape memory alloys

IF 1.5 3区 化学 Q3 CHEMISTRY, ANALYTICAL
Ş. Nevin Balo, Abdulvahap Orhan
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引用次数: 0

Abstract

After annealing, gamma irradiation was applied to CuAlNi shape memory alloy samples at different doses and investigated how the stabilization was affected by irradiation. Conversion temperatures and thermodynamic parameters were determined by thermal measurements. Non-regular increases in these parameters were observed depending on the irradiation dose. Depending on the irradiation dose, the structural analyzes of the alloy samples were made with X-ray diffraction. The changes in microhardness and crystallite size of the alloy samples with increasing irradiation dose were investigated. The crystallite size tends to decrease with increasing irradiation dose, and the increase in microhardness favors the change in crystallite size. In results are discussed to the stabilization of martensite by increased irradiation dose in CuAlNi alloys.

γ辐照诱导的CuAlNi形状记忆合金的稳定性
退火后,对不同剂量的CuAlNi形状记忆合金样品进行γ辐照,研究辐照对合金稳定性的影响。通过热测量确定转化温度和热力学参数。观察到这些参数的不规则增加取决于辐照剂量。根据辐照剂量的不同,对合金样品进行了x射线衍射分析。研究了合金样品的显微硬度和晶粒尺寸随辐照剂量的增加而变化。随着辐照剂量的增加,晶粒尺寸有减小的趋势,显微硬度的增加有利于晶粒尺寸的变化。讨论了增大辐照剂量对CuAlNi合金中马氏体的稳定作用。
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来源期刊
CiteScore
2.80
自引率
18.80%
发文量
504
审稿时长
2.2 months
期刊介绍: An international periodical publishing original papers, letters, review papers and short communications on nuclear chemistry. The subjects covered include: Nuclear chemistry, Radiochemistry, Radiation chemistry, Radiobiological chemistry, Environmental radiochemistry, Production and control of radioisotopes and labelled compounds, Nuclear power plant chemistry, Nuclear fuel chemistry, Radioanalytical chemistry, Radiation detection and measurement, Nuclear instrumentation and automation, etc.
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