Durability and stability are important for 3D-printed titanium alloy products
It will help improve product reliability and secure export competitiveness.

The Korean Agency for Technology and Standards (KATS) under the Ministry of Trade, Industry and Energy will propose a method for measuring corrosion of 3D printed products as an international standard at the General Assembly of the International Organization for Standardization (ISO/TC156).

The general assembly will be held in Jeju from the 5th to the 9th and will proceed with a total of 13 groups, including subcommittees, 10 working groups such as stress corrosion cracking, and special/advisory committees. About 100 people from 12 countries, including Germany, the United States, France, and China, will attend.

Among the 29 international standards discussed at this meeting, the major issues attracting attention include 'methods for measuring stress corrosion cracking in magnesium alloys used for automobile lightweighting,' 'methods for measuring stress corrosion cracking in nuclear reactor power generation facilities,' and 'methods for evaluating atmospheric corrosion in offshore plants, etc.'

In particular, the standard for 'measurement of electrochemical critical local corrosion temperature of titanium alloys manufactured by additive manufacturing' to be proposed by Korea is attracting great interest from various countries as it is the world's first electrochemical corrosion measurement method for 3D printed products.

In the case of 3D printed products, there are many internal holes and layered surfaces that are susceptible to corrosion, so the newly proposed standard enables accurate measurement results by standardizing the corrosion environment and test procedures that cause corrosion in these areas first.

The Korean Agency for Technology and Standards announced that it will expand national standards in the field and actively support the development of standard technologies and international standardization activities of small and medium-sized enterprises related to 3D printing in order to promote the practical application of 3D printing, which is expected to bring innovation to the manufacturing industry in the era of the Fourth Industrial Revolution.