| 1. | The welded surface fracture analysis in isothermal superplastic welding process of steel 钢在恒温超塑焊接过程中焊接面断口分析 |
| 2. | Current characteristics and frature analysis in field - assisted bonding of k4 glass - silicon 玻璃与硅片场致扩散连接过程中的电流特性与断口分析 |
| 3. | Fatigue experiment of the full - scaleequalizing bar of bulldozer andanalysis of the fatigue fracture 推土机平衡梁全尺寸疲劳试验及疲劳断口分析 |
| 4. | Breakage causes of starting lever in motorcycle was investigated by macroscopical and microscopical methods 摘要采用断口分析方法对摩托车起动杆在使用过程中发生断裂的原因进行了分析。 |
| 5. | Failure of cast aluminiuin alloy box was analysed by metallographic and fractographic analysis , and cast defect anti variation of cross section thickness were identified as main causes of failure 通过金相及电镜断口分析,确定箱体失效系铸造缺陷和几何截面差过大所致。 |
| 6. | The fracture reasons of forming dies , which cracked during forming process of cranks , were analyzed by means of chemical composition analysis , metallographic examination and fracture analysis in this paper 摘要采用化学成分分析、金相检验和断口分析等方法,对开裂的成型模进行了分析。 |
| 7. | By means of analysising the chemic component , optical structure and the sem and measuring the microhardness , the samples with the crack in the hardface layer of continuous caster roller were studied 摘要采用化学成分、金相组织和扫描电镜断口分析及显微硬度测定等手段对连铸辊表面堆焊层开裂部位进行了取样分析。 |
| 8. | It shows that with increasing the bonding temperature and the holding time , a denser and more homogeneous microstructure consisting of less amount of pores are obtained , thereby leading to an increase in the tensile strength . an increase in 通过断口分析,认为w与cu合金的tlp连接实质是:与母材cu连接是cu 、 mn互扩散而形成的tlp连接;与母材w连接是cu - mn合金润湿w的钎焊连接。 |
| 9. | The mechanical test of the composites fabricated in different infiltration time and made of different aluminum alloys prove that in the selected technology conditions , the b4c / a1 composites have a better mechanical properties 对不同浸渗时间,不同铝合金渗体的b _ 4c al复合材料进行力学性能测试及断口分析,结果表明:在优选工艺条件下制备的b _ 4c al复合材料具有较好的力学性能。 |
| 10. | From macroscopical to microcosmic , from qualitative to quantitative , from fracture surface analysis in fracture failure to fractography about mechanism , it stated position and function of fracture surface analysis in fracture failure analysis and introduced the contents , evidence , fundamental skills and methods of fracture surface analysis and emphasized the development of fractography and the research on fracture micromechanism 摘要从宏观到微观、从定性到定量、从断裂失效的断口分析到机理研究的断口学,阐述断口分析在断裂失效(事故)分析中的地位和作用,介绍断口分析的内容及其依据、基本技能和方法,著重说明断口学的发展和微观断裂机理的研究。 |