stress-relief heat treatment

Influence of heat treatment on the compressive stress effect of magnetostriction of < 112> axial aligned Tb-Dy-Fe alloys

热处理对＜112＞轴向取向Tb－Dy－Fe合金磁致伸缩压力效应的影响

The fatigue life-spans of specimens after dehydrogenization heat treatment and crystallization heat treatment are all decreased observably, which is caused by the tension internal stress.

经过除氢热处理和晶化热处理的试样的疲劳寿命，与基底试样和镀态试样相比都显著降低，而热处理后试样疲劳强度的降低是由于镀层的内应力引起的。

Production technique of a sort of high strength and low stress gray iron with CE of 3.9%~ 4.1%,σ b ≥ 255 MPa and without heat treatment was described and analyzed.

阐述了碳当量为3.9%～4.1%、σb在255MPa以上，且铸造应力低（不需热处理）的灰铸铁的具体生产措施，并分析了原因。

Massage instrument that introduces the principle of the heat treatment to lessen stress, relieve fatigue, ease tension and relax muscles.

本按摩器械是采用热疗原理起到减轻压力，减轻疲劳，缓解紧张，放松肌肉的作用。

Stress removal heat treatment of the penstock of Lianhua Hydropower Station and its effectiveness analysis

莲花水电站压力钢管消应热处理及效果分析