Improper forging process will also appear large grain or uneven, hardeningcrack phenomenon, forging cost is higher than the casting flange.
锻造工艺不当也会出现晶粒大或不均,硬化裂纹现象,锻造成本高于铸造法兰。
2
DPF failure symptoms mainly include filter body blocking due to scorification, and filtering function failure due to burnout or hardeningcrack, as shown in Figure 7.
DPF失效形式主要包括烧融而堵塞过滤体、烧漏、烧裂而导致过滤功能失效如图7所示。
3
Building net has reinforced effect, reduce the ground crack and sag are widely used in highway, and factory floor hardening.