Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Sittichai Kanchanasutha"'
Autor:
Nestchanok Yongpraderm, Sittichai Kanchanasutha, Pracha Lao-auyporn, Chumphol Busabok, Arjin Boonruang, Piyalak Ngernchuklin
Publikováno v:
Key Engineering Materials. 766:211-216
In this research, waste gypsum (CaSO4·2H2O), a by-product material from industrial factory, was upgraded and then used as raw material for building materials. The by-product gypsum possessed a high acidic value of 3-point pH scale and moisture conte
Autor:
Chumphol Busabok, Phunthinee Somwongsa, Arunrat Saensing, Wasana Khongwong, Sittichai Kanchanasutha, Piyalak Ngernchuklin
Publikováno v:
Key Engineering Materials. 766:127-132
Reflective pigment was prepared by using Fe2O3 and Al2O3 as starting materials. Fe2O3 and Al2O3 powders were mixed at 0.8:2, 1:2 and 1.2:2 mole ratio using ball milling. The mixed powders were dried and calcined at temperature of 1500°C, 1600°C and
Autor:
Sittichai Kanchanasutha, Arjin Boonruang, Pracha Lao-auyporn, Chalearmchai Jeerapan, Jungho Ryu, Piyalak Ngernchuklin
Publikováno v:
Key Engineering Materials. 659:96-101
PZTs can be classified into two types, i.e., soft and hard PZTs, which are categorized by the piezoelectric and ferroelectric properties such as coercive field, piezoelectric strain, mechanical quality factor etc. It is known that the combination eff