Before revision: ASM Handbook; Metallography and Microstructures, v. 9; ASM Internacional, USA; 2004; p. 68-73 Indium The indium is a metal softer than lead (hardness of 0.9 HB) permitting it be scratched by the nail.
After revision: ASM Handbook; Metallography and Microstructures, v. 9; ASM Internacional, USA; 2004; p. 68-73 Indium Indium is a metal softer than lead (hardness of 0.9 HB) , permitting it to be scratched by a nail.