| 1. | Flow forming technique makes the metallurgical structure more pack
筒体采用碾薄成型，材料组织结构及金相结构细致密实。 |
| 2. | Forging eliminates internal flaws and produces a coherent and uniform metallurgical structure assuring optimum performance
锻造消除了内部缺陷，产生了连贯一致的金相组织，保证了优异的性能。 |
| 3. | A uniform metallurgical structure without internal flaws is assured by ( a ) quality , segregation - free billet and ( b ) high impact forces achieved on 10 , 000 - 30 , 000 ton presses
通过优质，无分离钢锭和1万至3万吨压力机的冲击力保证了没有内部缺陷的、一致的金相结构。 |
| 4. | Based on the experiment , the influences of tool normal rake , chip pulling angle and chip pulling force on the shape and metallurgical structure of the fiber cross section are studied
通过试验研究了刀具法向前角、拉屑力和拉屑角等对纤维横截面形状和金相组织的影响。 |
| 5. | Residual stresses developed during heat treatment are caused by : ( 1 ) thermal gradients within the metal , ( 2 ) nonuniform changes in the metallurgical structure , and ( 3 ) nonuniformity in the composition of the metal itself , such as that caused by segregation
热处理中产生残余应力的原因有： （ 1 ）金属中存在多级热梯度； （ 2 ）金相组织的非统一变化； （ 3 ）金属自身构成的非一致性，如隔离造成的非一致性。 |
| 6. | By x - ray analysis of the obtained samples the degree of the reaction was researched when the time of ball milling changed . at last the regularity of the metallurgical structure of tial alloy was investigated , when the high temperature changed . the following aspects were accomplished after hot hydrostatic extrusion
热静液挤压工艺:挤压后,坯料致密度有了较大的提高;分析了球磨时间跟挤压力的关系;对ti - al基合金室温断裂方式及断口形貌进行了一定的研究。 |
| 7. | This article introduced the development and ti - based brazing material used for titanium alloys , and analyzed the relationship between metallurgical structure and mechanical property of welding joint , mechanical behavior under high temperature 、 corrosion resisting property and fatigue capability of the joint were also represented
本文介绍了钛合金用的钛基钎焊料的发展现状，重点评价了钛基钎料钎焊后组织与力学性能的关系，以及钛基钎料的高温力学性能、耐蚀性以及疲劳性能等。 |
| 8. | Secondly , choose the sample component , as different particle match of tungsten carbide and specifically heat treatment craftworks of solution and aging manufacture test piece , watch metallurgical structure of the test piece and do the tests of hardness and tension , at last do the abrasive wear test on the dynamic load abrasive wear test machine , analyze test datum , from the test data , conclusions are arrived that the hardnees of composite - alloy can be improved and wear - resistance be better by adding cr and other elements according to a given ratio
本文对rp中速磨煤机耐磨件进行了运行与磨损情况分析，研究、提出了制备磨辊和盘瓦复合合金成分配比；并对制作的试件进行了固溶、时效等特定的热处理工艺，观察试件金相组织，进行机械强度试验，最后做磨料磨损试验，对磨损失效机理进行了深入的研究分析，对其耐磨性能与低合金钢、高铬铸铁进行了对比。 |
