氢脆：由于浸蚀，除油或电镀等过程中金属或合金吸收氢原子而引起的脆性。
Hydrogen brittleness: because, in addition to the erosion oil or plating process such as metal and alloy hydrogen atom absorption and cause brittle.
本文介绍了焊接残余应力对金属结构的静强度、脆性断裂以及应力腐蚀开裂的影响。
The paper discusses over the influence exerted by welding residual stress on the static strength, brittle fracture and stress-corrosion cracking of metal structure.
如果是合金钢管道系统，液体温度应高于金属材料的脆性转变温度。
For alloy steel piping system, the liquid temperature shall be higher than the brittle transition temperature of the metal material.
气体压力的试验时，试验温度必须高于金属材料的脆性转变温度。
During the air pressure test, the test temperature shall be higher than the brittle transition temperature of the metal material.
低碳钢焊缝金属凝固冷却过程存在三个脆性温度区。
There exist three brittle temperature ranges during the course of solidification and cooling process in the weld metal of Low-carbon steel.
采用过渡层法进行钛合金与不锈钢的焊接时，基本能够避免焊接材料之间脆性金属间化合物的大量生成，从而有效提高焊接接头的连接强度。
The intermetallics could be avoided effectively by using the method of transition layers between titanium alloy and stainless steel, and the tensile strength of welded joints is enhanced.
开发金属间化合物为基的有序合金具有重要意义，迫切的问题是解决室温脆性。
Exploiting ordered alloys based on intermetallic compounds has important significance. Solving brittleness at room temperature is the key problem.
介绍汽轮机高中压转子金属材料的脆性转变特性。
The paper Introduces fracture appearance transition character of turbine high and middle pressure rotor made metal material.
前轮对处于脆性温度区间的焊缝金属施加一个横向挤压塑性应变，减小甚至抵消致裂的拉伸应变，防止了焊接热裂纹的产生。
The front impact roller causes transverse plastic compression strain in the weld which is in the brittle temperature range, which counteracts the tensile strain which leads to hot cracking.
本实用新型属于金属材料的切削刀具领域，特别适合于脆性稀贵金属材料的小深孔套料加工。
The utility model belongs to the field of metal material cutting tools, especially fitting for boring processing of a small deep hole of brittle rare and precious metal material.
目前，纯锡镀层的焊接可靠性差，锡基二元合金镀层有脆性大、润湿性差等方面的问题，贵金属镀层成本高。
At present, pure tin deposit has a bad solder reliability, tin-based binary alloy deposits have big brittleness or bad wettability, and noble metal deposits have high price.
通过分析TA2和Q 235b的焊接性，论述了钛与钢熔焊焊缝脆裂的机理，指出钛钢复合板焊接性能差的主要原因在于焊缝中产生了脆性的金属间化合物，从而导致焊缝在焊接应力的作用下发生开裂。
The results indicate that the brittle intermetallic compound in weld is the main reason why the weldability of the plate is bad, which leads to cracks under the effect of welding stress.
他伸展H型铅条，或卡梅斯，消除柔软韧性金属的脆性；
He would stretch the H-section lead strips, or cames, to stop "creep" in the soft, ductile metal;
他伸展H型铅条，或卡梅斯，消除柔软韧性金属的脆性；
He would stretch the H-section lead strips, or cames, to stop "creep" in the soft, ductile metal;
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