High-temperature resistant and high-pressure resistant powder metallurgy material for valve and preparation method of high-temperature and high-pressure resistant powder metallurgy material

• Main Author: WU SHOUTAO
• Format: Patent
• Language: English
• Published: 29.04.2015
• Subjects: CASTING; MAKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; PERFORMING OPERATIONS; POWDER METALLURGY; TRANSPORTING; WORKING METALLIC POWDER

The invention discloses a high-temperature resistant and high-pressure resistant powder metallurgy material for a valve. The high-temperature and high-pressure resistant powder metallurgy material is prepared from the following raw materials in parts by weight: 2-3 parts of LaO.6Al2O3, 3.8-4.2 parts...