3月10号至3月13号在河南洛阳市召开了“中小型柒油机铝活塞材质的研究”鉴定会。该课题由洛阳工学院负责,有石家庄内燃机配件总厂和长沙正园动力配件厂合作研制。 到会的教授及专家一致认为这种以最佳成份为基础的Al-Si共晶合金,加入微量稀土元素和其它微量元素,同时采用最新时效工艺的新材质,具有工艺简单可行,性能 March 10 to March 13 in Luoyang City, Henan Province held a “small and medium-sized Saxophone aluminum piston material” appraisal meeting. The subject is responsible for the Luoyang Institute of Technology, Shijiazhuang Diesel Engine Parts Factory and the Changsha is the park power accessories factory in cooperation. The meeting of professors and experts agreed that the best ingredients based Al-Si eutectic alloy, adding trace amounts of rare earth elements and other trace elements, while using the latest aging process of the new material, with a simple process, performance