1) second-phaseθ
第二相θ
2) θ particles
θ相
1.
θ(Al2Cu) micro-particle which strengthen base metal separated out and agglomerated after welding,and it formed lots of large θ particles by reaso.
焊后基材中起强化作用的微小的θ相Al2Cu颗粒,在焊接热循环的作用下析出并聚集成大量粗大颗粒,其大小约在10~50μm,对焊缝强度起削弱作用。
3) θ"Phase
θ″相
4) second phases
第二相
1.
The results show that the strength and fracture toughness of the two kinds of composites are increased by the addition of the second phases, WC and ZrO2.
结果表明:第二相WC、ZrO_2弥散分布于Al_2O_3中可明显改善复合材料的强韧性;Al_2O_3-WC-ZrO_2和Al_2O_3-WC陶瓷材料的强度分别为820MPa和510MPa,韧性分别为8。
5) second phase
第二相
1.
Coarsening of the second phase in directionally solidified Al-Bi monotectic alloys;
定向凝固A1-Bi偏晶合金中第二相的粗化行为
2.
Relationship between the second phase and R phasetransformation in NiTi(X) alloys;
NiTi(X)合金中第二相与R相关系研究(英文)
3.
The results show that adding Nb to HS690 filler metal will improve the quantity and morphology of the second phase(Nb,Ti)C in grain boundaries,the condition of grain boundaries and DDC susceptib.
结果表明,在焊接工艺条件相同的情况下,采用向HS690焊丝中添加Nb的冶金方法能够调整晶界处第二相(Nb,Ti)C的数量和形态,晶界条件得到改善,HS690熔敷金属抗DDC的能力得到明显的提高。
6) Secondary Phase
第二相
1.
Morphology and Phase Constituent of Secondary Phase in As-cast Microstructure of 7150 Aluminum Alloy;
7150铝合金铸态组织中第二相的形貌及相组成
2.
The microstructure and secondary phase identification were determined by scanning electron microscop.
AlN中的晶界第二相主要为Al2Y4O9。
3.
Al alloys contain some secondary phases,such as aging precipitates and inclusions,which have great effect on the localized corrosion behavior of Al alloys.
铝合金中通常含有一些时效析出相及杂质相等第二相粒子,这些第二相粒子对铝合金局部腐蚀行为产生重大影响。
补充资料：第二相
secondaryphase：不同于母相或单相基体的、与其有区别的相。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条