大型锻件内部脆性夹杂物边界裂纹是影响大型锻件疲劳寿命与冲击性能的主要缺陷.
热锻变形过程中, 脆性夹杂物周围区域的应力场是影响边界裂纹闭合的主要因素之一 …

In order to improve the internal quality of cross wedge rolling (CWR) shaft, the floating-
pressure method (FPM) using high-pressure gas to compact void in CWR shaft is adopted in …

在铝合金管材分流挤压成形中, 金属在焊合室内经历一个固态焊合过程, 并在型材的整个长度
方向上留下焊合缝. 焊合缝通常是材料结构最薄弱的部位, 为此焊合质量控制是挤压承压铝合金 …

At present, detecting the interior void of hot axial forging is still a longstanding challenge in
forging process. Thus the quality and pass rate of forging are badly influenced. Meanwhile …

During the divided flow extrusion process of aluminum alloy tube, the metal streams in
welding chamber undergoes a solid welding process, which results in the formation of …

采用数值模拟的手段, 研究了楔横轧轧制铝合金时轧件内部空洞演化的一般规律和工艺参数对
空洞演化的影响. 结果表明: 轧件内部单空洞演化的一般规律是球形-椭球形 …

Cracks between the inclusion and the matrix metal are major defects affecting the forgings'
fatigue life and impact properties. In hot forging processes, the stress field around a brittle …

The general evolution rules of internal holes in aluminum alloy parts and the influence of
process parameters on the internal holes in cross wedge rolling were studied by means of …