During vacuum heat treatment at 1050℃, the activities of various elements increased and a great deal of Cr diffuses from coating to substrate.
真空扩散时,各元素互扩散能力增强,大量的Cr克服Al和Mo元素的束缚向基体扩散,最终使Ni-Cr-Al-Y涂层元素均匀分布。
Then it discussed the feasibility of PDC aiguille vacuum diffusion bonding.
分析了PDC钻头使用过程中存在的问题及其产生的原因,探讨了PDC钻头真空扩散焊方法及工艺的可行性,证明了利用真空扩散焊进行聚晶金刚石复合体焊接来提高PDC钻头的使用性能和寿命是可行的。
LOM for ink-jet printing head of multilayer stainless steel by vacuum diffusion bonding was studied experimentally.
探索了将真空扩散焊技术应用于分层实体制造(LOM),并对多层薄壁不锈钢做造型材料的喷墨打印喷头的分层实体的扩散焊工艺进行了研究。
By using vacuum diffusion welding process, the microstructures and performance of diffusion transition zone for the Cu/Al diffusion welding joint were researched by means of SEM, EPMA and micro hardness test.
采用真空扩散焊工艺方法 ,对Cu与Al扩散焊接头的组织性能进行了试验研究 ,利用扫描电镜(SEM)、电子探针 (EPMA)、显微硬度等测试方法对焊接过渡区及基体组织和性能进行了分析。
In this paper, the effech of welding temperature, pressure and soaking on the quality of joints have been discussed in the vacuum diffusion welding process experiment of LD10 aluminium alloy.
针对LD10铝合金真空扩散焊工艺，较详细地分析了焊接温度、压力和保温时间对接头质量的影响和作用。
As shear strength of polycrystalline diamond compact bit ,which is made of ordinary braze welding, is not high, a new kind of design thought of using microcontroller to pressurize and control the PCD compound piece in vacuum diffusion bonding is proposed.
文章针对普通钎焊的聚晶金刚石钻头剪切强度不高,提出了采用单片机加压控制的PCD复合片真空扩散焊接的设计思想,在对原真空扩散焊机液压改造的基础上给出如何由单片机控制加压的电路和程序流程设计。
The present work has investigated the joining characteristics of SiCp reinforced aluminiummatrix composite(SiCp -reinforced AMC) by vacuum diffusion bonding process.
采用真空扩散焊接方法研究了同质及异质ＳｉＣｐ增强Ａｌ基复合材料的连接特性，考察了ＳｉＣｐ体积分数变化及插入中间合金层对同质及异质Ａｌ合金基复合材料真空扩散焊接质量及接头性能的影响。