公开(公告)号：WO1996002480A1

公开(公告)日：1996-02-01

申请号：PCT/EP1995002564

申请日：1995-07-03

Applicant: FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. ,  H.C. STARCK GMBH & CO. KG ,  CERAMETAL S.a.r.l. ,  BODEN, Gottfried ,  LENK, Reinhard ,  RICHTER, Volkmar ,  VON RUTHENDORF-PRZEWOSKI, Monika

Inventor： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. ,  H.C. STARCK GMBH & CO. KG ,  CERAMETAL S.a.r.l.

IPC: C04B35/58

CPC classification number: C04B35/5611 ,  C04B35/5626 ,  C04B35/565 ,  C04B35/58014 ,  C04B35/626

Abstract: The invention relates to the field of ceramics and concerns a process for producing sinterable green bodies which are used, for example, as ceramic components after sintering. It is the aim of the invention to produce sinterable green bodies in which the surfaces of the powder particles are protected against gases and liquids. The aim is attained in the invention by a process for producing sinterable green bodies using nanoscalar non-oxidic powders in which nanoscalar non-oxidic powders with an upper grain size of up to 500 nm or nanoscalar non-oxidic powders with an upper grain size of up to 500 nm and non-oxidic powders with an average grain size of over 500 nm are dispersed in an organic solvent with at least one higher-molecular dispersing auxiliary, consisting of one or more polar groups and one or more long-chain aliphatic radicals and said dispersion is then processed into a sinterable green body.

Abstract translation: 本发明涉及陶瓷的领域，并且用于生产烧结生坯的方法烧结后例如 用作陶瓷部件。 本发明的目的是创造烧结坯体，其中，所述粉末颗粒的表面被保护免于气体和液体。 该目的创造性地通过一种用于生产具有上Kongrösse至500nm或具有平均晶粒大小至多达到500nm和非氧化物粉末的上晶粒尺寸的纳米级非氧化物粉末的纳米级非氧化物粉末使用的纳米级非氧化物粉末烧结压坯的实现 大于在有机溶剂中为500nm与由一个或多个极性基团和一个或多个长链脂族基团中的至少一个相对高的分子量分散助剂分散，然后该分散体被加工成烧结生坯。