cyclic pressing meaning in Chinese
循环压制
Examples
- The main conclusions are drawn as follows : ( 1 ) for spray - forming ring of little thickness , densification results including friction mechanical property were investigated . after single - direction cyclic pressing , in the region near processing face , cavities close well and mechanical performances are better than those of region far from processing face
本论文的主要研究内容和研究结论如下: ( 1 )对单、双向楔压工艺加工厚度较小的喷射沉积al - 20 % si / sicp复合材料环件的致密化效果以及致密化加工后环件的摩擦性能进行了研究。 - ( 2 ) for the cyclic pressing technics , the thickness of densified layer of ring was studied , and the rules which the technics must follow had been investigated , and the influence of parameter on densification results had also been investigated . according to the theory of rolling , the conclusion of thickness of densification layer had been drawn for the dual - direction cyclic pressing . the term that decreased height of one stage and distance of one step advancing had been researched
( 2 )对楔压压透深度规律进行了初步探索,同时对楔压过程参数(单道次压下量和楔压步进量)所要遵循的规律以及楔压工艺参数(压制方式、压下量和压制温度)对坯件性能的影响进行了研究。 - Cyclic pressing is a new kind of densification processing , which is introduced to densify as - deposited ring of al - 20 % si / sicp . this paper includes the densification result and rule of this technics . the research shows that this technics can be successfully used to densify spray - forming porous material and can be availably adopted to improve mechanical performance and microstructure . this technics is characterized by simple equipment 、 small expense and flexible process , and these characters will make it come true to producing spray - deposited rings less costly
本文采用一种新型致密化工艺?楔压工艺?对喷射沉积al - 20 % si / sicp大环进行了致密化加工,采用密度硬度分布、抗拉强度变化和检测显微组织变化的实验研究方法对其致密化效果及该工艺规律进行了研究,通过研究表明了楔压工艺可以成功地用来致密化喷射沉积多孔材料,该工艺有效地提高了喷射沉积大环件的致密度和抗拉强度并改善了组织。 - Compared with those of as - sprayed ring , hardness and tension strength of area near processing face are increased by 45 % and 40 % respectively . friction mechanical performance of the ring is improved at large extent , and especially the wearing amount is merely 13 % of as - sprayed rings . after dual - direction cyclic pressing , the pore - closed state and the distributing of density and hardness are nearly identical in every part of ring . the friction mechanical property is close to that of single - direction - cyclic - press ring
靠近压力加工面部位,硬度较沉积坯提高了45 % ,拉伸强度较沉积坯提高了40 % 。双向楔压后孔洞闭合、密度硬度分布都比较均匀。单向楔压后,用压力加工面作为摩擦面, al - 20 % si / sicp复合材料的摩擦磨损性能得到大幅度提高,尤其磨损量为楔压前的13 % 。