The technique of producing metal matrix composite include powder metallurgy , casting ( including stirring casting process , in situ contact reaction process , liquid - phase metal infiltration process , co - spray deposition forming process ) , reaction mechanic alloying process 制备金属基复合材料的工艺分为粉末冶金法、铸造法(铸造法细分为搅拌铸造法、原位接触反应法、液相浸渗法、共喷射沉积法) 、反应机械合金化技术。
The result indicates , due to the increment of porosity and strength , and the enlargement of pore diameter and the decrement of the resistance of zn electrode made by casting , the usage factor of the active material of zn electrode and the capacity in factor of the zn electrode were increased 指出：由于采用铸造法可提高电极的孔隙率、强度、增大电极的孔径、降低电极的内阻，从而使得电极的活性物质利用率，电极的实际比容量得以极大的提高。
Rapid prototyping technology changed the traditional pattern of product design , which could offer product sample for the designer , reduced design cycle and quicken the schedule of new product design , and it gave the decision - makers visual feeling . ; rp technology provided kinds of molds including resin - boncled mold laminate mold , investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting , it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly , and it could even produce casting products in small scales . the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced , the organic combination between rapid prototyping tecnnology and foundry process , which initiated a new period of rapid manufacturing metal parts , by using advanced new technology alternated traditional foundry industry to make it looked brand - new , thus , the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method , common processes of using rapid prototyping technology to produce dies were discussed , in the paper it explored that . the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting , rapid tooling based on rapid prototyping , integrated advanced new technology and tradition technology of rapid prototyping manufacture , each superiority were exerted , rapid prototyping technology had been an efficiency measure to rapid update products and develop new product , and to middle - 快速成型技术改变了传统的产品开发模式，可以为设计者提供产品样件，缩短设计周期，加快新产品的开发进度，为决策者提供直观性；快速成型技术迅速提供砂型铸造、熔模铸造、实型铸造用的各种模样，包括树脂模、层压模、熔模和消失模等，还可采用直接制壳铸造法直接制造熔模铸造用的压型、金属型、压铸型、注塑模，甚至直接制造小批量铸件，介绍了熔积成型技术在石膏型精密铸造上的应用和基于选择性激光烧结技术的快速铸造技术，快速成型技术与铸造工艺的有机结合，开创了快速制造金属零件的新阶段，对用高新技术改造传统的铸造工业，使其面貌焕然一新，增强铸造行业的竞争能力；快速成型技术为母模的制造提供了一条快速、经济、可行的技术途径，讨论了利用快速成型技术制造模具的一般工艺方法，探讨了将快速成型技术与金属电弧喷镀技术结合起来快速制造金属模具问题，以及快速成型技术与精密铸造技术相结合的模具制造工艺，基于快速成型制造的快速模具技术，集成了快速成型制造高新技术和传统技术，发挥各自优势，已成为产品快速更新换代和新产品开发及中、小批量生产的有效手段之一。
Because of the limitation of experimental conditions we failed to form foam lead grid in the experiment . copper draw net is used as anode grid and it can improve to some extent the utilization of pam . due to human errors in the experiment we have not used the same discharge current density 在实验中我们试图通过铸造法、电镀法和还原法等一系列的实验办法制作泡沫铅板栅，由于实验条件的限制，没能够成功制得泡沫铅，而在使用铜拉网作为正极板栅的时候，能够使电池的正极活性物质利用率有提高，但由于实验时候的失误，没能够使用相同的放电电流密度进行放电，我们无法利用实验数据比较出具体能提高的数字。
